[1] Dept. of Internal Medicine,
[2] University Hospital Heidelberg,undefined
[3] Bergheimerstr. 56a,undefined
[4] D-69115 Heidelberg,undefined
[5] Germany,undefined
[6] Clinic IV for Internal Medicine,undefined
[7] University Hospital of Cologne,undefined
[8] Kerpener Str. 62,undefined
[9] D-50924 Cologne,undefined
[10] Germany,undefined
[11] Red Cross Transfusion Center,undefined
[12] Rue du Bugnon 27,undefined
[13] CH-1005 Lausanne,undefined
[14] Switherland,undefined
[15] Laboratory for Renal Immunology,undefined
[16] Dept. of Medicine B,undefined
[17] Cantonal University Hospital Basel,undefined
[18] Petersgraben 4,undefined
[19] CH-4031 Basel,undefined
[20] Switzerland,undefined