| article html file updated | 11 February 2020 10:36 CET | Update | https://www.mdpi.com/2075-4701/9/1/108 |
| article html file updated | 13 October 2019 17:33 CEST | Update | - |
| article html file updated | 27 April 2019 03:17 CEST | Update | - |
| article html file updated | 12 April 2019 23:17 CEST | Update | - |
| article html file updated | 3 April 2019 07:15 CEST | Update | - |
| article html file updated | 1 March 2019 20:53 CET | Update | - |
| article html file updated | 30 January 2019 08:44 CET | Update | - |
| article html file updated | 21 January 2019 16:34 CET | Original file | - |
| article pdf uploaded. | 21 January 2019 16:32 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/108/pdf |
| article xml uploaded. | 21 January 2019 16:32 CET | Update | https://www.mdpi.com/2075-4701/9/1/108/xml |
| article xml file uploaded | 21 January 2019 16:32 CET | Original file | - |
