1. From the Universitätsklinikum Marien Hospital Herne, Medizinische Klinik I, Ruhr-University Bochum, Germany (F.B., F.S.S., B.R., N.B., T.H.W.); General practitioner, Saarbruecken-Bischmisheim, Germany (K.A.R.B.); and General practitioner, Puettlingen, Germany (E.R.).