[1] Umea Univ, Publ Hlth & Clin Med, Umea, Sweden
[2] St Anna, Vienna, Austria
[3] AKH, Apheresis Unit, Vienna, Austria
[4] Univ Hosp, Dept Nephrol, Ghent, Belgium
[5] AZ Delta, Dept Med Oncol Hematol, Roselare, Belgium
[6] Canadian Apheresis Grp, Ottawa, ON, Canada
[7] Inst Hematol & Blood Transfus, Prague, Czech Republic
[8] Univ Hosp, Apheresis Unit, Ostrava, Czech Republic
[9] Apheresis Ctr North, Rostock, Germany
[10] Ctr Blood, Livorno, Italy
[11] Univ Hosp, Therapeut Apheresis Unit, Vilnius, Lithuania
[12] Sanquin, Amsterdam, Netherlands
[13] Sanquin, Maastricht, Netherlands
[14] Akers Univ Hosp, Ctr Immunol & Transfus, Oslo, Norway
[15] Univ Hosp, Dept Nephrol, Skopje, North Macedonia
[16] Coimbra Univ Hosp, Apheresis Unit, Coimbra, Portugal
[17] Univ Hosp, Inst Endocrinol, Belgrade, Serbia
[18] Univ Zagreb, Transfus Med & Transplantat Biol, Zagreb, Croatia
[19] Univ Hosp, Apheresis Ctr, Orebro, Sweden
[20] Huddinge Univ Hosp, Dept Nephrol, Huddinge, Sweden
[21] Linkoping Univ, Clin Immunol & Transfus Med, S-58183 Linkoping, Sweden
[22] Univ Lund Hosp, Apheresis Ctr, Lund, Sweden
[23] Univ Hosp, Ctr Blood, Umea, Sweden
[24] Univ Uppsala Hosp, Dept Nephrol, Uppsala, Sweden
[25] Uppsala Univ, Ctr Blood, Uppsala, Sweden
[26] Skaraborg Hosp, Dept Nephrol, Skovde, Sweden
[27] Dept Nephrol, Karlstad, Sweden
[28] Natl Inst Hlth, Italian Natl Blood Ctr, Rome, Italy