Update 3/16/2019 - The manuscript was submitted to a respectable peer-reviewed journal focused on drug disorders. If accepted, it will be approximately 3 months until publishing. I will update this website as soon as information is known.
Data Collection for the HPPD Survey has been completed as of December 30, 2017. A hundred thousand thank yous to the folks who partook in the survey to help foster knowledge about HPPD. It has taken years to collect data from a rather small population of HPPD patients.