- Correspondence to Dr Abrar A Qureshi, Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, 45 Francis St, 221L, Boston, MA 02115, USA; ; Dr Andrew T Chan, Department of Gastroenterology, Massachusetts General Hospital, 55 Fruit Street, GRJ 728A, Boston, MA 02114, USA,
- Accepted August 2, 2012
- First published August 31, 2012.
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