[1] Humboldt Univ, Virchow Hosp, Charite Med Sch, D-13344 Berlin, Germany
[2] Univ Manitoba, Winnipeg, MB, Canada
[3] Sindh Inst Urol & Transplantat, Karachi, Pakistan
[4] Univ Otago, Christchurch, New Zealand
[5] Univ Lille, Lille, France
[6] Imelda Clin Res Ctr, Bonheiden, Belgium
[7] Tel Aviv Sourasky Med Ctr, Tel Aviv, Israel
[8] Univ Malaya, Kuala Lumpur, Malaysia
[9] Keio Univ, Sch Med, Tokyo, Japan
[10] Virginia Mason Med Ctr, Seattle, WA USA
[11] Natl Univ Ireland, Cork, Ireland
[12] Med Univ, Vienna, Austria
[13] Massachusetts Gen Hosp, Harvard Med Sch, Boston, MA USA
[14] Univ Santo Tomas, Manila, Philippines
[15] Mt Sinai Hosp, Toronto, ON, Canada
[16] Hosp Israelita Albert Einstein, Sao Paulo, Brazil
[17] Univ Oslo, Oslo, Norway
[18] Natl Inst Med Sci & Nutr, Mexico City, DF, Mexico