EXHIBIT A
Joint Filing Statement
We, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of each of us.
Date: February 12, 2016
By: | /s/ Harvey B. Cash | |||||||
Name: Harvey B. Cash | INTERWEST PARTNERS VIII, LP | |||||||
By: | InterWest Management Partners VIII, LLC | |||||||
its General Partner | ||||||||
By: | /s/ Philip T. Gianos | |||||||
Name: Philip T. Gianos | ||||||||
By: | /s/ Arnold L. Oronsky | |||||||
By: | /s/ W. Stephen Holmes | Managing Director | ||||||
Name: W. Stephen Holmes | ||||||||
INTERWEST INVESTORS VIII, LP | ||||||||
By: | /s/ Gilbert H. Kliman | By: | InterWest Management Partners VIII, LLC | |||||
Name: Gilbert H. Kliman | its General Partner | |||||||
By: | /s/ Arnold L. Oronsky | By: | /s/ Arnold L. Oronsky | |||||
Name: Arnold L. Oronsky | Managing Director | |||||||
INTERWEST INVESTORS Q VIII, LP | ||||||||
By: | InterWest Management Partners VIII, LLC | |||||||
its General Partner | ||||||||
By: | /s/ Arnold L. Oronsky | |||||||
Managing Director | ||||||||
INTERWEST MANAGEMENT PARTNERS VIII, LLC | ||||||||
By: | /s/ Arnold L. Oronsky | |||||||
Managing Director |