Text and Data Mining valid from 2020-01-01
Received: 24 May 2019
Accepted: 27 November 2019
First Online: 22 January 2020
: S.D.S. is a co-founder of Swift Solar Inc; H.J.S. is a co-founder and CSO of Oxford PV Ltd.; A.H. is a co-founder of Dyenamo; M.D. is an employee of Saule Tech; K.D. is an employee at Fluxim AG.