| article html file updated | 10 February 2020 21:30 CET | Update | https://www.mdpi.com/2077-0375/8/4/110 |
| article html file updated | 10 October 2019 12:15 CEST | Update | - |
| article html file updated | 28 April 2019 07:51 CEST | Update | - |
| article html file updated | 14 April 2019 03:36 CEST | Update | - |
| article html file updated | 1 April 2019 21:28 CEST | Update | - |
| article html file updated | 26 December 2018 21:10 CET | Update | - |
| article html file updated | 15 November 2018 09:21 CET | Original file | - |
| article pdf uploaded. | 15 November 2018 09:19 CET | Version of Record | https://www.mdpi.com/2077-0375/8/4/110/pdf |
| article xml uploaded. | 15 November 2018 09:19 CET | Update | https://www.mdpi.com/2077-0375/8/4/110/xml |
| article xml file uploaded | 15 November 2018 09:19 CET | Original file | - |
