| article html file updated | 11 February 2020 10:40 CET | Update | https://www.mdpi.com/2075-5309/9/2/28 |
| article html file updated | 13 October 2019 17:55 CEST | Update | - |
| article html file updated | 27 April 2019 03:08 CEST | Update | - |
| article html file updated | 12 April 2019 23:07 CEST | Update | - |
| article html file updated | 3 April 2019 07:24 CEST | Update | - |
| article html file updated | 1 March 2019 18:50 CET | Update | - |
| article html file updated | 23 January 2019 02:55 CET | Original file | - |
| article pdf uploaded. | 22 January 2019 10:32 CET | Version of Record | https://www.mdpi.com/2075-5309/9/2/28/pdf |
| article xml uploaded. | 22 January 2019 10:32 CET | Update | https://www.mdpi.com/2075-5309/9/2/28/xml |
| article xml file uploaded | 22 January 2019 10:32 CET | Original file | - |
