Updates are available Correction dated 2018-04-10

Article History

Received: 22 September 2017

Accepted: 4 January 2018

First Online: 26 January 2018

Change Date: 10 April 2018

Change Type: Correction

Change Details: The original article [1] contained an error whereby Fig. 2 had processed incorrectly. The correct version of Fig. 2 is now displayed in the original article as well as ahead.

Ethics approval

: This study was performed in accordance with the recommendations in the Guide for the Care and Use of Laboratory Animals of the Ministry of Health, China. Prior to experiments, the protocol of the current study was reviewed and approved by the Institutional Animal Care and Use Committee of Northeast Agricultural University (approved protocol number 2014-SRM-24). Samples were collected only from animals for laboratory analyses, avoiding unnecessary pain and suffering of the animals. The owners gave their written consent for sample collection, and the locations where we sampled are not privately owned or protected in any way. The studies did not involve endangered or protected species.

: Not applicable.

: The authors declare that they have no competing interests.

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