Cardell, Lars-Olaf
Olsson, Petter
Andersson, Morgan
Welin, Karl-Olof
Svensson, Johanna
Tennvall, Gunnel Ragnarson
Hellgren, Johan
Article History
Received: 31 March 2015
Revised: 28 August 2015
Accepted: 7 December 2015
First Online: 4 February 2016
Competing interests
: The Swedish Rhinological Research Alliance (SRFA) has funded this study. The SRFA is an independent national Swedish upper airway research network including Ear, Nose and Throat researchers at the main university hospitals in Sweden. The SRFA has received unrestricted research grants from MEDA AB Sweden and ALK Sweden. L-OC, MA and JH have participated in meetings funded by MEDA AB and ALK. L-OC and MA are on an advisory board for MEDA AB. MA holds patents for microemulsions for the treatment of allergic rhinitis. PO is an employee of Novartis AG, Switzerland. The remaining authors declare no conflict of interest.