• How do I sign up to participate in the PHV Study at CU-Boulder?
  • Thank you for your interest! Unfortunately, it is not possible to sign up for participation in the study. Participants are drawn and invited randomly.
  • I have specific questions or comments about the PHV Study at CU-Boulder. Whom should I contact?
  • Please fill in the form below. Your question or comment will be forwarded to appropriate CU-Boulder staff or researchers. Rest assured that your email address will not be published or used in any way other than to reply to your question.