Global Associates

official journal of the world federation of neurosurgical societies

GLOBAL ASSOCIATES FADZI CHEAH ABDULLA, MALAYSIA JAFRI ABDULLAH, MALAYSIA SALEEM I. ABDULRAUF, UNITED STATES ADELOLA ADELOYE, NIGERIA JOHN R. ADLER, UNITED STATES NEJAT AKALAN, TURKEY SERIK K. AKSHULAKOV, REPUBLIC OF KAZAKHASTAN KHALAF AL MOUTAERY, SAUDI ARABIA YOUSEF AL-AWADI, KUWAIT OSSAMA AL-MEFTY, UNITED STATES NAUSHER ALAM, BAGLADESH LELAND ALBRIGHT, UNITED STATES FELIPE C. ALBUQUERQUE, UNITED STATES FRANCOIS ALESCH, AUSTRIA AZMI ALIAS, MALAYSIA AHMED ALKHANI, SAUDI ARABIA PER M. ALMQVIST, SWEDEN MARIO A. ALONSO-VANEGAS, MEXICO ARUN P. AMAR, UNITED STATES ABBAS AMIRJAMSHIDI, IRAN AHMED AMMAR, SAUDIA ARABIA DAVID W. ANDREWS, UNITED STATES APIO ANTUNES, BRAZIL JOAO LOBO ANTUNES, PORTUGAL OSCAR APONTE-PUENTES, COLUMBIA HAJIME ARAI, JAPAN MARIO ARCANDI, AUSTRALIA VENTURA ARJONA, SPAIN ROCCO A. ARMONDA, UNITED STATES MIGUEL ANGEL ARRAEZ, SPAIN RICHARD ASSAKER, FRANCE ISSAM AWAD, UNITED STATES ALI AYYAD, GERMANY HILDO AZEVEDO-FILHO, BRAZIL TIPU Z. AZIZ, ENGLAND SEYDOU BOUBAKAR BADUABE, SENEGAL SHENGDE BAO, CHINA YUHAI BAO, CHINA FREDERICK G. BARKER II, UNITED STATES DANIEL L. BARROW, UNITED STATES RONALD BARTELS, NETHERLAND EL FAITH M. BASHIR, SUDAN DAVID BASKIN, UNITED STATES ARMANDO BASSO, ARGENTINA ERNEST BATES, UNITED STATES H. HUNT BATJER, UNITED STATES ULRICH BATZDORF, UNITED STATES FOUAD BELLAKHDAR, MOROCCO LORENZO BELLO, ITALY ALEJANDRO BERENSTEIN, UNITED STATES ALIM-LOUIS BENABID, FRANCE BERNARD R. BENDOK, UNITED STATES VLADIMIR BENES, CZECH REPUBLIC EDWARD C. BENZEL, UNITED STATES TOMMY BERGENHEIM, SWEDEN MITCHEL S. BERGER, UNITED STATES MARVIN BERGSNEIDER, UNITED STATES HELMUT BERTALANFFY, GERMANY SANAT N. BHAGWATI, INDIA MARK H. BILSKY, UNITED STATES PETER M. BLACK, UNITED STATES SERGE BLOND, FRANCE NICHOLAS M. BOULIS, UNITED STATES ALEXANDER BRAWANSKI, GERMANY

HENRY BREM, UNITED STATES JANNICK BRENNUM, DENMARK ALBINO BRICOLO, ITALY GAVIN W. BRITZ, UNITED STATES GUY BROC-HARO, MEXICO BRIAN BROFY, AUSTRALIA GIOVANNI BROGGI, ITALY JACQUES BROTCHI, BELGIUM JEFFREY N. BRUCE, UNITED STATES MICHAEL BUCHFELDER, GERMANY M. ROSS BULLOCK, UNITED STATES FABIO CALBUCCI, ITALY PAOLO CANTORI, ITALY ROBERT C. CANTU, UNITED STATES PAOLO CAPPABIANCA, ITALY BOB S. CARTER, UNITED STATES LUIGI M. CAVALLO, ITALY EVALDAS CESNULIS, SWITZERLAND JIN WOO CHANG, KOREA STEVEN D. CHANG, UNITED STATES SUSAN CHANG, UNITED STATES VORAVUT CHANYAVANICH, THAILAND CLEOPATRA CHARALAMPAKI, AUSTRIA FADY T. CHARBEL, UNITED STATES SANDIP CHATTERJEE, INDIA JEAN CHAZAL, FRANCE CHEE-PIN CHEE, MALAYSIA RANDOLPH CHEEKS, JAMAICA JOSEPH C.T. CHEN, UNITED STATES PENG R. CHEN, UNITED STATES FERNANDO CHICO-PONCE-DE-LEON, MEXICO LAWRENCE S. CHIN, UNITED STATES E. ANTONIO CHIOCCA, UNITED STATES KIL SOO CHOI, KOREA MAURICE CHOUX, FRANCE GIUSEPPE CINALLI, ITALY IVAN S. CIRIC, UNITED STATES VLAD CIUREA, ROMANIA ELIZABETH CLAUS, UNITED STATES E. SANDER CONNOLLY, UNITED STATES SHLOMI CONSTANTINI, ISRAEL PHILIPE CORNU, FRANCE G. REES COSGROVE, UNITED STATES PHILIPPE COUBES, FRANCE WILLIAM T. COULDWELL, UNITED STATES RALPH G. DACEY JR., UNITED STATES ANDREW T. DAILEY, UNITED STATES NOEL DAN, AUSTRALIA ANDREW DANKS, AUSTRALIA CATHERINE DAUMAS-DUPORT, FRANCE JOHN DIAZ DAY, UNITED STATES LUIZ CARLOS DE ALENCASTRO, BRAZIL ENRICO DE DIVITIIS, ITALY ORESTE DE DIVITIIS, ITALY EVANDRO P. DE OLIVEIRA, BRAZIL DIRK DE RIDDER, BELGIUM ATOS ALVES DE SOUSA, BRAZIL NICHOLAS DE TRIBOLET, SWITZERLAND OLIVIER DE WITTE, BELGIUM GILBERT DECHAMBENOIT, FRANCE ROLAND DEL MAESTRO, CANADA RAMIRO DEL VALLE-ROBLES, MEXICO ROBERTO DELFINI, ITALY PAULO DEMELLO, BRAZIL FRANCO DEMONTE, UNITED STATES

ROBERT DEMPSEY, UNITED STATES JEAN DESTANDAU, FRANCE FRANCESCO DI MECO, ITALY CONCEZIO DI ROCCO, ITALY FEDERICO DI ROCCO, FRANCE/ITALY CURTIS A. DICKMAN, UNITED STATES TAMAS DOCZI, HUNGARY VINKO V. DOLENC, SLOVENIA NICHOLAS DORCH, AUSTRALIA AMERICO DOS SANTOS, BRAZIL PARESH DOSHI, INDIA JAMES M. DRAKE, CANADA KATE DRUMMOND, AUSTRALIA ALESSANDRO DUCATI, ITALY HUGHES DUFFAU, FRANCE RAVSHANBEK DUSCHANOV, UZBEKISTAN NIHAT EGEMEN, TURKEY HOWARD EISENBERG, UNITED STATES MOHAMED EL-FIKI, EGYPT ABDESLAM EL KHAMLICHI, MOROCCO ABDESSAMAD EL OUAHABI, MOROCCO MUSTAFA EL-AZOUZI, MOROCCO ABDEL EL-HAKIM, EGPYT MOHAMED EL-HUSIENY, EGYPT M. SAM ELJAMEL, UNITED KINGDOM SHALVA ELIAVA, RUSSIA RICHARD G. ELLENBOGEN, UNITED STATES YAVOR ENCHEV, BULGARIA KADIR ERKMEN, UNITED STATES EMAD N. ESKANDAR, UNITED STATES JAIRO ESPONIZA, COLUMBIA FELICE ESPOSITO, ITALY RUDOLF FAHLBUSCH, GERMANY MICHAEL G. FEHLINGS, CANADA ZEEV FELDMAN, ISRAEL LING FENG, CHINA GUILLERMO FERNANDEZ MOLINA, ARGENTINA ENRIQUE R. FERRER, SPAIN PAOLO FERROLI, ITALY RICHARD G. FESSLER, UNITED STATES GRAHAM FIEGGEN, SOUTH AFRICA J. MAX FINDLAY, CANADA HOWARD FINE, UNITED STATES NORMAN FISHER-JEFFES, SOUTH AFRICA EUGENE S. FLAMM, UNITED STATES NICHOLAS FOROGLOU, GREECE KOSTAS FOUNTAS, GREECE GIORGIO FRANK, ITALY ANGELO FRANZINI, ITALY ROBERT M. FRIEDLANDER, UNITED STATES ALLAN H. FRIEDMAN, UNITED STATES TAKANORI FUKUSHIMA, UNITED STATES MICHAEL R. GAAB, GERMANY BORIS V. GAIDAR, RUSSIA KRISHNAN GANAPATHY, INDIA BRENNUM GANNICKLUND, DENMARK THOMAS GASSER, GERMANY FRED GENTILI, CANADA BERNARD GEORGE, FRANCE STEVEN L. GIANNOTTA, UNITED STATES PHILIP L. GILDENBERG, UNITED STATES STEVEN GILL, UNITED KINGDOM ATUL GOEL, INDIA ALEXANDRA J. GOLBY, UNITED STATES JOHN G. GOLFINOS, UNITED STATES JAMES GOODRICH, UNITED STATES ZIYA LEVENT GOKASLAN, UNITED STATES MARCO GOZALEZ-PORTILLO, PERU BARTH A. GREEN, UNITED STATES ROBERT E. GROSS, UNITED STATES ROBERT G. GROSSMAN, UNITED STATES ERIC GUAZZO, AUSTRALIA AB GUHA, CANADA FERNANDEZ MOLINA GUILLERMO, COLUMBIA GERARDO GUINTO-BALANZAR, MEXICO MURAT GUNEL, UNITED STATES JORGE GURIDI, SPAIN

PHILIP H. GUTIN, UNITED STATES MOSHE HADANI, ISRAEL GEORGE HADDAD, SAUDI ARABIA MICHAEL HAGLUND, UNITED STATES ENRIQUE HAKIM, COLUMBIA CARLOS HAKIM, COLUMBIA WALTER A. HALL, UNITED STATES CLEMENT HAMANI, CANADA DAE HEE HAN, KOREA ROBERT HARBAUGH, UNITED STATES MARWAN I. HARIZ, SWEDEN WILLIAM HARKNESS, UNITED KINGDOM JAMES HARROP, UNITED STATES GRIFFITH R. HARSH IV, UNITED STATES NOBUO HASHIMOTO, JAPAN ROBERT F. HEARY, UNITED STATES E. TESSA HEDLEY-WHYTE, UNITED STATES EIRIK HELSETH, NORWAY JAIMIE HENDERSON, UNITED STATES JAVIER HEREDERO, SPAIN JUHA A. HERNESNIEMI, FINLAND ROBERTO C. HEROS, UNITED STATES ENRIQUE HERRERA, ARGENTINA YUICHI HIROSE, JAPAN L. NELSON HOPKINS, UNITED STATES TOMOKATSU HORI, JAPAN R. JOHN HURLBERT, CANADA TAKAYUKI INAGAKI, JAPAN NATALIA IVANOVA, RUSSIA YOSHINOBU IWASAKI, JAPAN JOHN A. JANE, UNITED STATES JOHN A. JANE JR., UNITED STATES PETER JANNETTA, UNITED STATES JUHA JÄÄSKELÄINEN, FINLAND FRANCES JENSEN, UNITED STATES FIACRO JIMENEZ, MEXICO MOHAMED JOHARJI, SAUDI ARABIA MARK JOHNSON, UNITED STATES RASHID JOOMA, PAKISTAN HEE-WON JUNG, KOREA MICHEL KALAMARIDES, FRANCE KAZADI K.N. KALANGU, ZIMBABWE STEVE KALKANIS, UNITED STATES IMAD KANAAN, SAUDIA ARABIA TETSUO KANNO, JAPAN YU¨CEL KANPOLAT, TURKEY MAHMOUD KARMI, JORDAN NEAL F. KASSELL, UNITED STATES YOICHI KATAYAMA, JAPAN YOKO KATO, JAPAN TAKESHI KAWASE, JAPAN ANDREW H. KAYE, AUSTRALIA DANIEL KELLY, UNITED STATES PATRICK KELLY, UNITED STATES YVES KERAVEL, FRANCE ALI FADL KHRIST, UNITED STATES MARK KIERAN, UNITED STATES TURKER KILIC, TURKEY DANIEL H. KIM, UNITED STATES DONG GYU KIM, KOREA PAUL KIM, UNITED STATES SEUNG KIM, KOREA SUN HO KIM, KOREA HANKYU KIM, KOREA JAMES KING, AUSTRALIA MATTHIAS KIRSCH, GERMANY TAKAYUKI KITAMURA, JAPAN NEIL D. KITCHEN, ENGLAND PETRA KLINGE, UNITED STATES NACHASHON KNOLLER, ISRAEL ENGELBERT KNOSP, AUSTRIA MO TO KO, UNITED KINGDOM SHIGEAKI KOBAYASHI, JAPAN ALEXANDER N. KONOVALOV, RUSSIA ATHANASSIOS KOULOUSAKIS, GERMANY JOACHIM K. KRAUSS, GERMANY ALEXEI KRIVOSHAPKIN, RUSSIA

VLADIMIR KRULOV, RUSSIA TOMASZ KRZESZOWIEC, POLAND KRISHNA KUMAR, CANADA JOHN S. KUO, UNITED STATES KAORA KURISU, JAPAN BLAS E. LOPEZ-FELIX, MEXICO ZHIGANG LAN, CHINA QING LAN LAN, KOREA FREDRICK LANG, UNITED STATES IVER A. LANGMOEN, NORWAY GIUSEPPE LANZINO, UNITED STATES SEAN D. LAVINE, UNITED STATES MENG LAW, UNITED STATES EDWARD R. LAWS, JR., UNITED STATES MICHAEL T. LAWTON, UNITED STATES YVES R. LAZORTHES, FRANCE FRANCES LEBLANC, CANADA KYU-SUNG LEE, KOREA JUNG-KYO LEE, KOREA GERARDO LEGASPI, PHILIPPINES MARC LEVIVIER, SWITZERLAND MICHAEL LEVY, UNITED STATES LINDA LIAU, UNITED STATES BENGT LINDEROTH, SWEDEN CHRISTER E.H. LINDQUIST, UNITED KINGDOM CHARLES Y. LIU, UNITED STATES ZHAN LIWEI, CHINA DAVIDE LOCATELLI, ITALY CHRISTOPHER LOFTUS, UNITED STATES RUSSELL R. LONSER, UNITED STATES BLAS E. LOPEZ-FÉLIX, MEXICO MAURO LOYO-VARELA, MEXICO ANDRES M. LOZANO, CANADA GUOMIN LUAN, CHINA CHRISTIANTO LUMENTA, GERMANY MORTEN LUND-JOHANSEN, NORWAY PEDRO LYLYK, ARGENTINA R. LOCH MACDONALD, CANADA ANA MACHADO, BRAZIL IGNACIO MADRAZO, MEXICO JOSEPH R. MADSEN, UNITED STATES RUBY MAHESPERAN, NORWAY DENNIS J. MAIMAN, UNITED STATES GIULIO MAIRA, ITALY YING MAO, CHINA JACQUES MARCOS, UNITED STATES RAUL MARINO, BRAZIL JAMES M. MARKERT, UNITED STATES LAWRENCE F. MARSHALL, UNITED STATES JOSE G. MARTIN-RODRIGUEZ, SPAIN LUIS FERNANDO MARTINS, BRAZIL MARCOS MASINI, BRAZIL JOSE MATEO GOMEZ, MEXICO TIIT MATHIESON, SWEDEN SURESH MATHURIYA, INDIA MITSUNORI MATSUMAE, JAPAN MASAO MATSUTANI, JAPAN PAOLO MAZZONE, ITALY J. GORDON MCCOMB, UNITED STATES MICHAEL MCDERMOTT, UNITED STATES ROBERTO J. MEDELLIN, MEXICO EDWARD W. MEE, NEW ZEALAND MARIO MEGLIO, ITALY MAXIMILIAN MEHDORN, GERMANY VIVEK MEHTA, CANADA IVAR MENDEZ, CANADA JORGE MENDEZ, CHILE PHILIPPE MENEI, FRANCE ARNOLD H. MENEZES, UNITED STATES BERNHARD MEYER, GERMANY FREDRIC B. MEYER, UNITED STATES BJÖRN MEYERSON, SWEDEN RAJIV MIDHA, CANADA BASANT K. MISRA, INDIA SANDEEP MITTAL, UNITED STATES SHIGERU MIYACHI, JAPAN

MASAKAZU MIYAJIMA, JAPAN SUSUMU MIYAMOTO, JAPAN RAMADAN MOHAMED, EGYPT MACRO MOLINA-MARTINEZ, HONDURAS JAN MOOIJ, NETHERLANDS LEON MOORES, UNITED STATES JACQUES J. MORCOS, UNTIED STATES JACQUES MORET, FRANCE MICHAEL MORGAN, AUSTRALIA TOM MORIARTY, UNITED STATES PRAVEEN MUMMANENI, UNITED STATES KARIN MURASZKO, UNITED STATES ZAINAL MUTTAQIN, INDONESIA ARYA NABAVI, GERMANY TETSUYA NAGATANI, JAPAN SURESH NAIR, INDIA HIROSHI NAKAGAWA, JAPAN ANIL NANDA, UNITED STATES ALAM NAUSHER, BANGLADESH WAI NG, SINGAPORE IVAN NG, SINGAPORE MIKA NIEMELÄ, FINLAND CHRISTOPHER NIMSKY, GERMANY RICHARD B. NORTH, UNITED STATES KAZUHIKO NOZAKI, JAPAN NEVELL NUCKLY, AUSTRALIA SARUN NUNTA-AREE, THAILAND BART NUTTIN, BELGIUM ISTVAN NYARY, HUNGRY JOACHIM OERTEL, GERMANY AKIRA OGAWA, JAPAN CHRISTOPHER S. OGILVY, UNITED STATES SUCK JUN OH, KOREA SAM OHAEGBULAM, NIGERIA TAKAYUKI OHIRA, JAPAN JUHA OHMAN, DENMARK CHIHIRO OHYE, JAPAN SHIZUO OI, JAPAN INGVAR OLAFSSON, ICELAND NIELS OLE SCHMIDT, GERMANY ANDRE OLIVIER, CANADA NELSON M. OYESIKU, UNITED STATES MEMET OZEK, TURKEY TUNCALP OZGEN, TURKEY SUN HA PAEK, KOREA E. PAGLIOLI, BRAZIL STEPHANE PALFI, FRANCE JAMES PALMER, UNITED KINGDOM M. NECMETTIN PAMIR, TURKEY JOHN PARK, UNITED STATES CHUN-KUN PARK, KOREA EVGENY PEDACHENKO, UKRAINE ALFREDO PEDROZA CAMPO, COLUMBIA GILLES PERRIN, FRANCE JACQUES H. PHILIPPON, FRANCE JOHN PICKARD, UNITED KINGDOM FABIAN PIEDIMONTE, ARGENTINA JOSEPH M. PIEPMEIER, UNITED STATES BENOIT J.M. PIROTTE, BELGIUM NICOLAI POLISCHUK, UKRAINE IAN F. POLLACK, UNITED STATES BRUCE E. POLLOCK, UNITED STATES WAI POON, CHINA KALMON POST, UNITED STATES ALEXANDER A. POTAPOV, RUSSIA MICHAEL POWELL, ENGLAND WATANYOO PRACHAYANONT, THAILAND CHARLES J. PRESTIGIACOMO, UNITED STATES IGNACIO PREVIGLIANO, ARGENTINA ALFREDO QUIN˜ ONES-HINOJOSA, UNITED STATES LEONIDIS QUINTANA, CHILE ANDREAS RAABE, GERMANY PIERRE RABISCHONG, FRANCE CHRISTIAN RAFTOPOULOS, BELGIUM ZVI RAM, ISRAEL NAREN RAMAKRISHNA, UNITED STATES

PREMAN RAMANI, INDIA RODRIGO RAMOS-ZUNIGA, MEXICO JEAN RE´ GIS, FRANCE ALI R. REZAI, UNITED STATES ALBERT L. RHOTON JR., UNITED STATES GUILHERME C. RIBAS, BRAZIL BERND RICHLING, AUSTRIA HANS-PETER RICHTER, GERMANY HOWARD RIINA, UNITED STATES FRANCISCO ROBAINO, SPAIN PIERRE ROBE, BELGIUM DAVID W. ROBERTS, UNITED STATES JACK P. ROCK, UNITED STATES GEORGES RODESCH, FRANCE JORGE JUANOTENA RODRIGUEZ, URUGUAY PANTALEO ROMANELLI, ITALY BERTIL ROMNER, DENMARK JEFFREY ROSENFELD, AUSTRALIA ROBERT H. ROSENWASSER, UNITED STATES GAIL ROSSEAU, UNITED STATES GIAN FRANCO ROSSI, ITALY STEPHEN M. RUSSELL, UNITED STATES JAMES T. RUTKA, CANADA CHRISTIAN SAINTE-ROSE, FRANCE NOBUHITO SAITO, JAPAN DAMIANOS E. SAKAS, GREECE TARIQ SALAHUDDIN, PAKISTAN MICHAEL SALCMAN, UNITED STATES LEIF SALFORD, SWEDEN MADJID SAMII, GERMANY AMIR SAMII, GERMANY HIROSHI SANO, JAPAN HIROTOSHI SANO, JAPAN THOMAS SANTARIUS, UNITED KINGDOM ATOM SARKAR, UNITED STATES TOMIO SASAKI, JAPAN ALI SAVAS, TURKEY RAYMOND SAWAYA, UNITED STATES IBRAHIM SBEIH, JORDAN MASSIMO SCERRATI, ITALY GABRIELE SCHACKERT, GERMANY KARL SCHALLER, SWITZERLAND BERND SCHEITHAUER, UNITED STATES YURI A. SCHERBUK, RUSSIA NIELS OLE SCHMIDT, GERMANY JOHANNES SCHRAMM, GERMANY HENRY SCHRODER, GERMANY MARC SCHWARTZ, UNITED STATES THEODORE H. SCHWARTZ, UNITED STATES VOLKER SEIFERT, GERMANY LALIGAM N. SEKHAR, UNITED STATES PANAGIOTIS SELVARIADES, GREECE FRANCO SERVADEI, ITLAY SPYRIDON SGOUROS, GREECE SPYROS SGOUROS, GREECE CHRISTOPHER I. SHAFFREY, UNITED STATES ELIAVA SHALVA, RUSSIA BHAWANI SHARMA, INDIA JASON P. SHEEHAN, UNITED STATES BASSEM SHEIKH, SAUDIA ARABIA PETER SIESJÖ, SWEDEN DANIEL SILBERGELD, UNITED STATES MARC P. SINDOU, FRANCE MARIO SIQUEIRA, BRAZIL KENNETH SMITH, UNITED STATES ROBERT A. SOLOMON, UNITED STATES VOLKER K.H. SONNTAG, UNITED STATES JENS CHRISTIAN H. SORENSEN, DENMARK MARK SOUWEDAINE, UNITED STATES ROBERT F. SPETZLER, UNITED STATES ROBERT SPINNER, UNITED STATES GARY K. STEINBERG, UNITED STATES PAUL STEINBOK, UNITED STATES JURAJ STENO, SLOVAKIA PHILIP E. STIEG, UNITED STATES VOLKER STURM, GERMANY

BOMIN SUN, CHINA GARNETTE R. SUTHERLAND, CANADA MIKAEL SVENSSON, SWEDEN TAKAOMI TAIRA, JAPAN TAIRA TAKAOMI, JAPAN WARO TAKI, JAPAN RAFAEL J. TAMARGO, UNITED STATES TSE TING TAN, CHINA MARCOS S. TATAGIBA, GERMANY CHARLES TATOR, CANADA PETER TEDDY, AUSTRALIA TAKAYUMA TEIRA, JAPAN MANOEL J. TEIXEIRA, BRAZIL CHARLES TEO, UNITES STATES AKIRA TERAMOTO, JAPAN SEOW WAN TEW, SINGAPORE DAVID THOMAS, ENGLAND B. GREGORY THOMPSON, UNITED STATES FRANCESCO TOMASELLO, ITALY TEIJI TOMINAGA, JAPAN JORG TONN, GERMANY MICHAEL TORRENS, GREECE VINCENT TRAYNELIS, UNITED STATES TOMAS TROJANOWSKI, POLAND VOLKER M. TRONNIER, GERMANY TAKASHI TSUBOKAWA, JAPAN YONG-KWANG TU, TAIWAN UGUR TURE, TURKEY KIKI TUREL, INDIA ARIA TZIKA, UNITED STATES STEPHAN ULMER, GERMANY FELIX UMANSKY, ISRAEL GEIRMUND UNSGAARD, NORWAY PETER VAJKOCZY, GERMANY ALEX B. VALADKA, UNITED STATES JAMES R. VAN DELLEN, UNITED KINGDOM VASSILIS VARSOS, GREECE FRANCISCO VELASCO-CAMPOS, MEXICO FERNANDO VELASQUEZ, COLOMBIA OSVALDO VILELA JR., BRAZIL TRAN QUANG VINH, VIETNAM FERNANDO VIN˜ UELA, UNITED STATES MICHAEL A. VOGELBAUM, UNITED STATES JURGEN VOGES, GERMANY EKA WAHJOEPRAMONO, INDONESIA LARS U. WAHLBERG, DENMARK DAVID WALKER, AUSTRALIA MICHAEL Y. WANG, UNITED STATES SHOU WANG, CHINA TAKEYA WATABE, JAPAN PRACHAYANONT WATANYOO, THAILAND MANFRED WESTPHAL, GERMANY IAN R. WHITTLE, SCOTLAND JOHN WILSON, UNITED STATES PETER WINKLER, GERMANY TAI TON WONG, CHINA HENMING WU, CHINA TAKAMITSU YAMAMOTO, JAPAN WEI-ZHONG YANG, CHINA M. GAZI YASARGIL, UNITED STATES TOSHIKI YOSHIMINE, JAPAN TAKASHI YOSHIMOTO, JAPAN CHAO YOU, CHINA ANDREW ZACEST, AUSTRALIA ERIC ZAGER, UNITED STATES GREGIORE ZAPUHLIH, MOLDAVIA CHI-SHING ZEE, CHINA VLADIMIR ZELMAN, UKRAINE JOSEF ZENTNER, GERMANY JIZONG ZHAO, CHINA YA-DU ZHAO, CHINA YUAN-LI ZHAO, CHINA LIANG-FU ZHOU, CHINA JANHONG ZHU, CHINA SAMUEL T. ZYMBERG, BRAZIL