[1] UNIV GOTTINGEN,NEUROL ABT,D-3400 GOTTINGEN,FED REP GER
[2] UNIV GOTTINGEN,PATHOL ABT,D-3400 GOTTINGEN,FED REP GER
[3] UNIV GOTTINGEN,INNERE MED ABT,D-3400 GOTTINGEN,FED REP GER
[4] UNIV MAINZ,NEUROPATHOL ABT,D-6500 MAINZ,FED REP GER
[5] UNIV HAMBURG,KINDERKLIN,D-2000 HAMBURG 13,FED REP GER
[6] COLUMBIA UNIV COLL PHYS & SURG,H HOUSTON MERRIT CLIN RES CTR MUSCULAR DYSTROPHY & RELATED DIS,NEW YORK,NY 10032