| article html file updated | 7 February 2020 17:52 CET | Update | https://www.mdpi.com/1422-8599/2016/4/M916 |
| article html file updated | 22 September 2019 05:22 CEST | Update | - |
| article html file updated | 4 May 2019 22:47 CEST | Update | - |
| article html file updated | 27 October 2017 08:21 CEST | Update | - |
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| article xml uploaded. | 26 September 2017 08:22 CEST | Update | https://www.mdpi.com/1422-8599/2016/4/M916/xml |
| article html file updated | 11 November 2016 11:50 CET | Original file | - |
| article xml uploaded. | 11 November 2016 11:48 CET | Original file | - |
| article pdf uploaded. | 11 November 2016 11:48 CET | Version of Record | https://www.mdpi.com/1422-8599/2016/4/M916/pdf |
