1. Department of Cell Biology, Yale School of Medicine, New Haven, Connecticut 06520-8002
2. Institute of Biochemistry (IBC), Eidgenössische Technische Hochschule Zürich (ETHZ), 8093, Switzerland
3. Instituto de Medicina Molecular João Lobo Antunes (iMM), Faculdade de Medicina da Universidade de Lisboa, 1649-028, Portugal