[1] Ctr Inflammat UTS, Centenary Inst, Sydney, NSW, Australia
[2] Royal Childrens Hosp Melbourne, Dept Otolaryngol Head & Neck Surg, Melbourne, Vic, Australia
[3] EnergyLab, Sydney, NSW, Australia
[4] Southern Sydney Voice Therapy, Sydney, NSW, Australia
[5] St Vincents Clin, Sydney, NSW, Australia
[6] Univ Notre Dame Australia, Sch Med, Sydney Campus, Sydney, NSW, Australia
[7] Univ Sydney, Woolcock Inst Med Res, Qual Use Resp Med Grp, Sydney, NSW, Australia
[8] St Vincents Clin, 438Victoria St, Darlinghurst, NSW 2010, Australia