Sleep Diagnostics of Minnesota Website: www.sleepmn.com E-mail: info@sleepmn.com C.E.O.: Virgil Damhof Cell Phone: 320-224-6475 Fax: 320-235-1511 Compliance Questions: John J. Hoefs Quinlivan & Hughes, P.A. - Attorneys at Law 1-800-325-5650 jhoefs@quinlivan.com