1. Center for Pain Medicine; Tel-Aviv Sourasky Medical Center; Tel-Aviv Israel
2. Department of Dermatology; Tel-Aviv Sourasky Medical Center; Tel-Aviv Israel
3. Department of Dermatology; Tel-Aviv University; Tel-Aviv 69978 Israel
4. Pachyonychia Congenita Project; School of Life Sciences; University of Dundee; Dundee U.K.
5. Department of Physical Therapy; Sackler Faculty of Medicine; Tel-Aviv University; Tel-Aviv 69978 Israel
6. Sagol School of Neuroscience; Tel-Aviv University; Tel-Aviv 69978 Israel
7. Department of Anesthesia; Cincinnati Children's Hospital Medical Center; Cincinnati OH U.S.A.