@article {huppert2001longitudinal,
	title = {Longitudinal analysis of subjective quality of life in schizophrenia: anxiety as the best symptom predictor},
	journal = {The Journal of nervous and mental disease},
	volume = {189},
	year = {2001},
	pages = {669{\textendash}675},
	publisher = {LWW},
	author = {Huppert, Jonathan D and Smith, Thomas E}
}
