Danzl, Johann G.
Sidenstein, Sven C.
Gregor, Carola
Urban, Nicolai T.
Ilgen, Peter
Jakobs, Stefan
Hell, Stefan W.
Article History
Received: 27 July 2015
Accepted: 2 December 2015
First Online: 18 January 2016
Competing interests
: S.W.H. owns shares in the company Abberior Instruments that supplies STED and RESOLFT systems and benefits through related patents owned by the Max Planck Society.