Locate email addresses of edu pages writers

I've posted on PPH the following project https://www.peopleperhour.com/job/edu-link-building-1619064 However, no freelancer was found to execute on it, so I had to do it myself :) I found the following links and I now need to get the emails of the pages authors to send them the email. 1. This page: https://www.unmc.edu/intmed/divisions/geriatrics/education/resources/LightTherapy.pdf is maintained by Developed by Thomas Magnuson, MD, Brenda K. Keller, MD, CMD of the https://www.unmc.edu/ 2. Henriette Bruun from the University of California, Davis. she’s the manager of this page: https://reference.shcs.ucdavis.edu/manual/physical-therapy-manual/application-infrared-light-therapycontraindications 3. http://www.umm.edu/health/medical/reports/articles/skin-wrinkles-and-blemishes Harvey Simon, MD, Editor-in-Chief 4. http://www.womenshealth.northwestern.edu/blog/august-national-psoriasis-awareness-month?page=1 check who should we contact to in order to add our comment 5. https://uanews.arizona.edu/story/treatment-pain-gets-green-light that was written by Robin Tricoles