- Correspondence to: J Uitto Department of Dermatology and Cutaneous Biology, Jefferson Medical College, 233 South 10th Street, Suite 450 BLSB, Philadelphia, PA 19107, USA;
- Received 11 July 2006
- Accepted 17 August 2006
- Revised 11 August 2006
- Published in print 1 March 2007.
- Published online 14 March 2007.
- Published first 13 September 2006.
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