... LonelinessQuestionnaire: background, development, and preliminary findings. JClin Psychol 2002, 58(9 ):1 183-1193.59. Ross MW, Hunter CE, Condon J, Collins P, Begley K: The MentalAdjustment to HIV scale: measurement ... Scale(IWLS ): a psychometric study in a sample of men with HIV/AIDS. AIDSCare1999, 11(4 ):4 53-457.doi:10.1186/1477-7525-8-88Cite this article as: O’Brien et al .: How do existing HIV-specificinstruments ... Analysis Methodology: An overview of the content analysis methodology includin g the search strategy,abstract review, document analysis of included instruments, validity check, and mapping of items...