[1] COMSATS Inst Informat Technol, Dept Biosci, Islamabad, Pakistan
[2] US Army, Engn Res & Dev Ctr, Topog Engn Ctr, Alexandria, VA USA
[3] George Mason Univ, Microbiome Anal Ctr, Dept Environm Sci & Policy, Manassas, VA USA
[4] Natl Univ Singapore, Dept Biol Sci, Singapore 117548, Singapore