Puppet master gutmicrobes

http://onlinelibrary.wiley.com/store/10.1002/bies.201400071/asset/bies201400071.pdf;jsessionid=6ADBB9F5F2C13CA2BBE4410C268A78C1.f03t01?v=1&t=ifwpvf62&s=deea80527d212bdce7af380d7a1d40f74a9afc90