Editorial by concerned physicians: Unintended effect of the orphan drug act on the potential cost of 3, 4‐diaminopyridine. Issue 2 (21st December 2015) - Burns, Ted M.; Smith, Gordon A.; Allen, Jeffrey A.; Amato, Anthony A.; Arnold, W. David; Barohn, Richard; Benatar, Michael; Bird, Shawn J.; Bromberg, Mark; Chahin, Nizar; Ciafaloni, Emma; Cohen, Jeffrey A.; et al.