[1] Univ Hamburg Eppendorf, Inst Humangenetik, Hamburg, Germany
[2] Univ Tubingen, Inst Medizin Genetik & Angew Genomik, Tubingen, Germany
[3] Uniklinik RWTH Aachen, Med Fak, Inst Humangenet, Aachen, Germany
[4] Heidelberg Univ, Inst Humangenet, Heidelberg, Germany