The difficulty of reaching practitioners and experts is one of the main challenges faced by early-career researchers in particular, and one that can overshadow fieldwork experiences and attempts to produce new knowledge.

Karolina Kluczewska
http://blogs.lse.ac.uk/impactofsocialsciences/2018/02/08/ever-wondered-why-practitioners-treat-researchers-like-a-nuisance-the-challenges-of-accessing-expert-knowledge-from-both-perspectives/