“…To date social media recruitment techniques have shown effectiveness for HIV vaccine clinical trials (Sitar et al 2009), occipital nerve studies (Goadsby 2013), pediatric cancer research (Akard et al 2015), depression prevention studies (Morgan et al 2013), and smoking cessation research (Frandsen et al 2014; Heffner et al 2013), among others. Perhaps more striking, they have also shown effectiveness with historically hard-to-reach populations, such as young cancer survivors (Gorman et al 2014), gay Latino males (Martinez 2014), the deaf community (Kobayashi et al 2013), and sufferers of low-incidence diseases, such as spontaneous coronary artery dissection (Tweet et al 2011; Ramo and Prochaska 2012).…”