Declaration of interest: Dr. Coleman is co-chairman for the BTG series as well as founding member of APHCON. Dr. Parmar is part of the organizing committee for BTG2013 and APHCON. She also oversees the scientific committee for BTG series. Dr. Malhotra is chair of the APHCON membership committee and scientific committee of the BTG series.
The funding support for this supplement issue came from an educational grant from The Medal Group (www.themedalgroup.com).