@article {vadimNI,
	title = {Functional principal components model for high-dimensional brain imaging},
	journal = {Neuroimage, NIHSMID: 316403},
	volume = {58},
	number = {3},
	year = {2011},
	pages = {772 {\textendash} 784},
	author = {Zipunnikov, V. and Caffo, B and Yousem, D and Davatziko, C and Schwartz, B and Crainiceanu, C}
}
@article {vadimHDMFPCA,
	title = {Multilevel functional principal component analysis for high-dimensional data},
	journal = {Journal of Computational and Graphical Statistics, NIMHID: 306063},
	volume = {20},
	number = {4},
	year = {2011},
	pages = {852{\textendash}873},
	author = {Zipunnikov, V. and Caffo, B and Crainiceanu, C and Yousem, D and Davatzikos, C. and Schwartz, B}
}
@article {doi:10.1198/jasa.2011.ap10089,
	title = {Population value decomposition, a framework for the analysis of image populations},
	journal = {Journal of the American Statistical Association, with discussion and rejoinder},
	volume = {106},
	number = {495},
	year = {2011},
	pages = {775-790},
	doi = {10.1198/jasa.2011.ap10089},
	url = {http://pubs.amstat.org/doi/abs/10.1198/jasa.2011.ap10089},
	author = {Crainiceanu, C and Caffo, B and Luo, S and Zipunnikov, V. and Punjabi, N}
}
