[1
]Bristol Urological InstituteBristolUnited Kingdom
[2
]University of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
[3
]University of Bristol and Bristol Urological InstituteBristolUnited Kingdom
[4
]University of AarhusAarhusDenmark
[5
]International Painful Bladder FoundationThe Netherlands
[6
]Musgrove Park HospitalTauntonUnited Kingdom
[7
]University of New South WalesSydneyAustralia
[8
]First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
[9
]University of PennsylvaniaPhiladelphiaPennsylvania