Correction: Genetic Diversity and Transmission Characteristics of Beijing Family Strains of in Peru. - Tomotada Iwamoto; Louis Grandjean; Kentaro Arikawa; Noriko Nakanishi; Luz Caviedes; Jorge Coronel; Patricia Sheen; Takayuki Wada; Carmen A. Taype; Marie-Anne Shaw; David A. J. Moore; Robert H. Gilman (PLoS ONE, 2013)