1Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
2The Procter & Gamble Company, Mason, Ohio, USA
3School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
4Department of Gastroenterology, Rabin Medical Center, Beilinson Hospital, Petach Tikva, Israel
Correspondence: Tamar Ringel-Kulka, MD, MPH, UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, CB# 7445, 421 Pittsboro Street, Chapel Hill, North Carolina 27599-7445, USA. E-mail: [email protected]
Received 18 March 2016; accepted 15 September 2016
Guarantor of the article: Johnson McRorie, PhD.
Specific author contributions: Planning: Y.R. and J.M.; and/or conducting the study: Y.R. and T.R.K.; collecting: Y.R., T.R.K.; and/or interpreting data: Y.R., T.R.K., and J.M.; and/or drafting the manuscript: Y.R., T.R.K., and J.M. Y.R. has approved the final draft submitted. T.R.K. has approved the final draft submitted. J.M. has approved the final draft submitted.
Financial support: This multi-site study was sponsored by P&G. The sponsor was responsible for the study design, protocol, data collection and analysis. Study sites were responsible for conduction of the study and assuring data collection according to protocol. The co-authors were responsible for interpretation of the data and writing of the report.
Potential competing interests: Dr R.-K. has received research funding from P&G. J.M. is a full-time employee of P&G, which markets probiotics. Y.R. and T.R.K. received research funding and Y.R. received consultation honorarium from P&G.