Supplement File for ADAPTIVE PUBLIC LICENSE Version 1.0 PART 1: DESCRIPTION OF DISTRIBUTED MODIFICATIONS PART 2: ATTRIBUTION INFORMATION In order to meet the requirments of the APL license distributed with our software, please have the following attribution information displayed prominently at each time an executable program resulting from the Initial Work or any Subsequent Work, or a program dependent thereon, is launched or run, and make it included at the beginning of each source code file derived from the Initial Work or any Subsequent Work: ESPRIT-Forest: Parallel Clustering of Massive Amplicon Sequence Data in Subquadratic Time by: Yunpeng Cai, Yijun Sun, Wei Zheng, Jin Yao and Yujie Yang (C) 2016 Please kindly cite [Y.Cai et.al PLOS Comp. Biol. 2016]