Scientific Committee:
The Scientific Committee oversees all research for PHTS. For more information, click here.

Abstracts and Presentations:
For a complete list of abstracts and presentations, click here.

For a complete list of publications, click here.

New Study Proposal:
PHTS opens to proposal submissions each Spring and Fall. For more details regarding proposal submission, click here.
Next call for proposals: Spring 2019

Limited Dataset Request:
PHTS is open to Limited Dataset Requests year around. The fee for these request is $5,000. For more details regarding these requests, click here.

Please use this form to request specific data such as:
  • Requesting data submitted by your site
  • Frequencies required for IRB renewal
  • Frequencies for project proposal feasability