The pre-publication history for this paper can be accessed here: http://www.biomedcentral.com/1472-6947/10/11/prepub We thank Valsamo Anagnostou, MD, for the fruitful discussions during data analysis and her suggestions.
JY participated in the microarray data analysis and provided helpful suggestions, and PZ was responsible for the overall concept, experimental design, data analysis, and drafting and revising manuscript.
SY participated in the data analysis and provided helpful suggestions, and BLL was responsible for the overall concept and revising manuscript.
We thank Drs. Ran Xiao and Drs. Li Yan for the design of the experiment, Dr. Chun-sheng Han for data analysis and Dr. Yi Zhang for helpful suggestions on manuscript writing.
The pre-publication history for this paper can be accessed here: http://www.biomedcentral.com/1471-2334/13/139/prepub We thank Dr. Robert E. Fontaine of US Centers for Disease Control and Prevention for his guidance during the outbreak investigation, and for his comments and suggestions on data analysis and manuscript preparation.
YW was involved in conception and design of the study, data analysis and interpretation, and coordinated all suggestions and edits.
AP, AK, KH, and DS all helped in the experimental design and data analysis and provided creative and critical suggestions after reviewing the manuscript.
FMC contributed to the study design, oversaw the measurement of knee structure, data analysis and interpretation, and coordinated all suggestions and edits.
We are indebted to Cristina García, Leticia Viesca, and Antonio Sánchez-Palacio for helping with tadpole care and phenotypic measurements, Sara Knott and D.J. de Koning for assistance with data analysis and software, and Jaime Bosch and Miguel Tejedo for useful suggestions.
TN and HT provided suggestions for data analysis, and they discussed the results with KT.
Authors gratefully acknowledge help and support of Mr. T. Mahendar for useful suggestions during data analysis and revision of the manuscript, and of Mr. A. Gafoor and Mr B. J. Moss for technical assistance.
