Postural Orthostatic Tachycardia Syndrome (POTS) – Reddit February 6, 2016https://www.reddit.com/r/POTS/ Postural Orthostatic Tachycardia Syndrome (POTS) – Reddit
POTS (Postural Orthostatic Tachycardia Syndrome) Support Group – Facebook January 1, 2016https://www.facebook.com/groups/347138222126336/ POTS (Postural Orthostatic Tachycardia Syndrome) Support Group
POTS UK – Facebook January 1, 2016https://www.facebook.com/POTS-UK-185492778170610/ POTS UK – Facebook