| article html file updated | 10 February 2020 21:52 CET | Update | https://www.mdpi.com/2073-431X/7/4/64 |
| article html file updated | 10 October 2019 14:46 CEST | Update | - |
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| article html file updated | 26 December 2018 05:07 CET | Update | - |
| article html file updated | 19 November 2018 07:30 CET | Update | - |
| article pdf uploaded. | 19 November 2018 07:28 CET | Updated version of record | https://www.mdpi.com/2073-431X/7/4/64/pdf |
| article xml uploaded. | 19 November 2018 07:28 CET | Update | https://www.mdpi.com/2073-431X/7/4/64/xml |
| article xml file uploaded | 19 November 2018 07:28 CET | Update | - |
| article html file updated | 17 November 2018 05:46 CET | Original file | - |
| article pdf uploaded. | 17 November 2018 05:45 CET | Version of Record | https://www.mdpi.com/2073-431X/7/4/64/pdf-vor |
| article xml uploaded. | 17 November 2018 05:45 CET | Update | - |
| article xml file uploaded | 17 November 2018 05:45 CET | Original file | - |