| article html file updated | 11 February 2020 11:01 CET | Update | https://www.mdpi.com/2077-0375/9/2/18 |
| article html file updated | 13 October 2019 19:51 CEST | Update | - |
| article html file updated | 27 April 2019 02:28 CEST | Update | - |
| article html file updated | 12 April 2019 22:25 CEST | Update | - |
| article html file updated | 3 April 2019 08:14 CEST | Update | - |
| article html file updated | 5 March 2019 05:59 CET | Update | - |
| article html file updated | 1 February 2019 01:49 CET | Original file | - |
| article pdf uploaded. | 31 January 2019 10:40 CET | Updated version of record | https://www.mdpi.com/2077-0375/9/2/18/pdf |
| article xml uploaded. | 31 January 2019 10:40 CET | Update | https://www.mdpi.com/2077-0375/9/2/18/xml |
| article xml file uploaded | 31 January 2019 10:40 CET | Update | - |
| article pdf uploaded. | 23 January 2019 06:02 CET | Version of Record | https://www.mdpi.com/2077-0375/9/2/18/pdf-vor |
| article xml file uploaded | 23 January 2019 06:02 CET | Original file | - |
