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| article xml file uploaded | 14 October 2015 13:01 CEST | Original file | https://www.mdpi.com/1422-0067/16/9/21191/xml |
| article supplementary file uploaded. | 14 September 2015 07:59 CEST | - | https://www.mdpi.com/1422-0067/16/9/21191#supplementary |
| article pdf uploaded. | 14 September 2015 07:59 CEST | Updated version of record | https://www.mdpi.com/1422-0067/16/9/21191/pdf |
| article pdf uploaded. | 7 September 2015 09:06 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/9/21191/pdf-vor |