| article html file updated | 30 August 2025 12:14 CEST | Update | https://www.mdpi.com/1996-1073/12/4/697 |
| article html file updated | 19 July 2022 10:19 CEST | Update | - |
| article html file updated | 11 February 2020 17:38 CET | Update | - |
| article html file updated | 15 October 2019 09:31 CEST | Update | - |
| article html file updated | 26 April 2019 13:25 CEST | Update | - |
| article html file updated | 12 April 2019 08:57 CEST | Update | - |
| article html file updated | 4 April 2019 00:46 CEST | Update | - |
| article html file updated | 1 March 2019 15:35 CET | Update | - |
| article html file updated | 1 March 2019 08:20 CET | Update | - |
| article html file updated | 21 February 2019 09:07 CET | Original file | - |
| article pdf uploaded. | 21 February 2019 09:05 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/697/pdf |
| article xml uploaded. | 21 February 2019 09:05 CET | Update | https://www.mdpi.com/1996-1073/12/4/697/xml |
| article xml file uploaded | 21 February 2019 09:05 CET | Original file | - |
