Table 2.

Quality checklist (Yes/No/Not Clear/Not stated/Not applicable)

		Deuson et al. [17]	San Sebastian et al. [18]	Weaver et al. [19]
1	Was the viewpoint explicitly stated?	No, but could be inferred	No, but could be inferred	Yes
2	Were all the important and relevant inputs identified and valued given the viewpoint?	Yes	Yes	Yes
3	Were sources of data clearly identified?	Yes	Not stated	Yes
4	Were the unit costs of inputs and quantity clearly identified?	No	Yes	No
5	Was it clear how costs were valued?	Yes	Yes	Yes
6	Is there an attempt to calculate economic costs?	Yes	Yes	Yes
7	Were base year, details about currency conversion and any adjustment for inflation given?	Yes	Yes to base year and currency conversion. No indication of adjustment for inflation.	No
8	Was discounting performed?	Yes	No	Yes
9	If yes, was an appropriate justification of the rate given?	Yes	NA	Yes
10	Was sensitivity analysis performed?	Yes	Yes	Yes
11	If yes, were justifications for the choice of variable and their level given?	Yes	No	Yes
12	Were issues of affordability and/or sustainability discussed?	No	No	No
13	Was generalizability discussed by the authors?	Yes, but not sufficiently	Yes, but not sufficiently	Yes, but not sufficiently