1. National Mesothelioma Virtual Bank [http://www.mesotissue.org].
2. University of Pittsburgh Medical Center [http://www.upmc.com].
3. Beecher Instruments Inc., San Prairie, WI [http://www.beecherinstruments.com/].
4. Biocare Medical USA [http://www.biocare.net/].
5. DAKO Inc. [http://www.dako.com/us/index/knowledgecenter/kc_product_info_sites/pathology_instrumentation/dako_autostainerlink_48_prod_info_site.htm?setCountry=true&purl=index/knowledgecenter/kc_product_info_sites/pathology_instrumentation/dako_autostainerlink_48_prod_info_site.htm?undefined&submit=Accept%20country].