| article html file updated | 11 February 2020 11:35 CET | Update | https://www.mdpi.com/2073-431X/8/1/9 |
| article html file updated | 13 October 2019 22:54 CEST | Update | - |
| article html file updated | 27 April 2019 01:22 CEST | Update | - |
| article html file updated | 12 April 2019 21:19 CEST | Update | - |
| article html file updated | 3 April 2019 09:38 CEST | Update | - |
| article html file updated | 2 April 2019 11:28 CEST | Update | - |
| article html file updated | 27 February 2019 11:20 CET | Original file | - |
| article pdf uploaded. | 27 February 2019 11:18 CET | Updated version of record | https://www.mdpi.com/2073-431X/8/1/9/pdf |
| article xml uploaded. | 27 February 2019 11:18 CET | Update | https://www.mdpi.com/2073-431X/8/1/9/xml |
| article xml file uploaded | 27 February 2019 11:18 CET | Update | - |
| article pdf uploaded. | 25 January 2019 16:12 CET | Version of Record | https://www.mdpi.com/2073-431X/8/1/9/pdf-vor |
| article xml file uploaded | 25 January 2019 16:12 CET | Original file | - |
