[1] Univ Hosp Charite, Berlin, Germany
[2] Altoona Ctr Clin Res, Duncansville, PA USA
[3] Maastricht Univ, Med Ctr, Maastricht, Netherlands
[4] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[5] UCB Pharma, Brussels, Belgium
[6] UCB Pharma, Monheim, Germany
[7] Amsterdam & Atrium Med Ctr, Heerlen, Netherlands