[1] Aarhus Kommune Hosp, DK-8000 Aarhus, Denmark
[2] Kings Coll London, Guys Hosp, London WC2R 2LS, England
[3] CHU Grenoble, F-38043 Grenoble, France
[4] Fak Klin Med, Heidelberg, Germany
[5] Hosp 12 Octubre, E-28041 Madrid, Spain
[6] Bajcsy Zsilinsky Korhaz III Belosztaly, Budapest, Hungary
[7] IKEM, Prague, Czech Republic
[8] Univ Witwatersrand, Johannesburg, South Africa
[9] Katredra I Klin Chorob, Warsaw, Poland
[10] Inst Nacl Nutr, Mexico City, DF, Mexico
[11] Ankara Univ, Tip Fak, TR-06100 Ankara, Turkey
[12] Acad Ziekenhuis Maastricht, Maastricht, Netherlands
[13] Fundacao Oswaldo Cruz, Sao Paulo, Brazil
[14] Inst Cardiol & Cirurg Cardiovasc, Buenos Aires, DF, Argentina
[15] Hop La Rabta, Tunis Jabbart, Tunisia
[16] Dept Endocrinol, Dublin, Ireland
[17] Gen Hosp, Nitra, Slovakia
[18] Hop Mohammed V, Rabat, Morocco
[19] CHU Sart Tilman, B-4000 Liege, Belgium
[20] Inselspital Bern, Dept Endocrinol, CH-3010 Bern, Switzerland