American Society of Tropical Medicine and Hygiene Posted on May 21, 2014 by SCG DR Copyright Holders:American Society of Tropical Medicine and Hygiene Self-archiving policy Conditions Accepted version: √ Published version: √ 12 months embargo Remarks: Ideally we’d allow authors to deposit the final published version 12 months after it’s been published (verified by Zhao Yue via email) Verification Date: 19.05.2014