Table S1.

Patient survey mode, language and interview length

Country	Survey mode	Languages	Average interview length (minutes)
USA	Telephone	English/Spanish	32
Mexico	Face to face	Spanish	49
Brazil	Face to face	Portuguese	42
France	Telephone	French	32
Germany	Telephone	German	37
Italy	Telephone	Italian	34
Spain	Telephone	Spanish	33
UK	Telephone	English	35
Netherlands	Telephone	Dutch	36
Russia	Face to face	Russian	44
Japan	Online*/Telephone	Japanese	36
South Korea	Face to face	Korean	37
Total			36

Note:

^*Patients in Japan were recruited from an online health panel. Interviews were administered by telephone.