- Correspondence to Dr Peter A Lio, Department of Dermatology and Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL 60654-6903, USA;
- Received 27 April 2017
- Revised 30 May 2017
- Accepted 12 June 2017
- Published in print 24 July 2017.
- Published first 22 July 2017.
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