His address at Columbia is: bs3720@cumc.columbia.edu However, my academic email .edu address was bounced back by their system as unknown. I'm looking for another contact. He may still be reachable via shenb@ccf.org
In the mean time, here's a good FREE 2009 publication RE: Pouchitis:
https://s3.amazonaws.com/acade...e3420a0e65b2fd1a1cd9