| article html file updated | 11 February 2020 13:13 CET | Update | https://www.mdpi.com/2077-0375/9/2/23 |
| article html file updated | 14 October 2019 08:27 CEST | Update | - |
| article html file updated | 26 April 2019 22:11 CEST | Update | - |
| article html file updated | 12 April 2019 18:01 CEST | Update | - |
| article html file updated | 3 April 2019 13:52 CEST | Update | - |
| article html file updated | 5 March 2019 06:01 CET | Update | - |
| article html file updated | 28 February 2019 11:15 CET | Update | - |
| article html file updated | 3 February 2019 07:19 CET | Original file | - |
| article pdf uploaded. | 3 February 2019 07:17 CET | Updated version of record | https://www.mdpi.com/2077-0375/9/2/23/pdf |
| article xml uploaded. | 3 February 2019 07:17 CET | Update | https://www.mdpi.com/2077-0375/9/2/23/xml |
| article xml file uploaded | 3 February 2019 07:17 CET | Update | - |
| article pdf uploaded. | 1 February 2019 12:44 CET | Version of Record | https://www.mdpi.com/2077-0375/9/2/23/pdf-vor |
| article xml file uploaded | 1 February 2019 12:44 CET | Original file | - |
