1 Department of Dermatology and Cutaneous Biology, Sidney Kimmel College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA. Electronic address: larryderm@yahoo.com.
2 Private Practice, Pembroke Pines, Florida, USA.
3 Institute for Research in Ophthalmology, Poznan, Poland; Department of Ophthalmology, University of Warmia and Mazury, Olsztyn, Poland.
4 Department of Dermatology and Cutaneous Biology, Sidney Kimmel College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA.