Launching Effectiveness Research to Guide Practice in Neurosurgery: A National Institute Neurological Disorders and Stroke Workshop Report. Issue 4 (1st April 2017) - Walicke, Patricia; Abosch, Aviva; Asher, Anthony; Barker, Fred G.; Ghogawala, Zoher; Harbaugh, Robert; Jehi, Lara; Kestle, John; Koroshetz, Walter; Little, Roderick; Rubin, Donald; Valadka, Alex; et al.