“…The definition of crowdsourcing as well as some ‘traditional’ examples of crowdsourcing, such as Wikipedia, are highly debated; this is likely due to both the relative newness of the term and the flexibility and adaptability of the method [1,5,7,8,10–12,20,40–43]. To further complicate authors’ attempts to define crowdsourcing, there are a variety of related concepts that have been used synonymously, including: citizen science, health 2.0, wisdom of the crowds, peer production, open sourcing, expert sourcing, collective intelligence, human computation, community–based participatory research, participatory epidemiology, outsourcing and open sourcing [1,3,7,12,43].…”