| article html file updated | 11 February 2020 07:00 CET | Update | https://www.mdpi.com/2227-7390/7/1/50 |
| article html file updated | 12 October 2019 22:45 CEST | Update | - |
| article html file updated | 27 April 2019 10:48 CEST | Update | - |
| article html file updated | 13 April 2019 06:46 CEST | Update | - |
| article html file updated | 2 April 2019 22:50 CEST | Update | - |
| article html file updated | 29 January 2019 05:49 CET | Update | - |
| article html file updated | 8 January 2019 02:22 CET | Original file | - |
| article pdf uploaded. | 7 January 2019 10:13 CET | Updated version of record | https://www.mdpi.com/2227-7390/7/1/50/pdf |
| article xml uploaded. | 7 January 2019 10:13 CET | Update | https://www.mdpi.com/2227-7390/7/1/50/xml |
| article xml file uploaded | 7 January 2019 10:13 CET | Update | - |
| article pdf uploaded. | 6 January 2019 12:17 CET | Version of Record | https://www.mdpi.com/2227-7390/7/1/50/pdf-vor |
| article xml file uploaded | 6 January 2019 12:17 CET | Original file | - |
