| article html file updated | 30 August 2025 03:09 CEST | Update | https://www.mdpi.com/1996-1073/11/4/734 |
| article html file updated | 16 July 2022 10:10 CEST | Update | - |
| article html file updated | 9 February 2020 11:01 CET | Update | - |
| article html file updated | 1 October 2019 22:01 CEST | Update | - |
| article html file updated | 1 May 2019 09:14 CEST | Update | - |
| article html file updated | 17 April 2019 09:08 CEST | Update | - |
| article html file updated | 29 March 2019 09:15 CET | Update | - |
| article html file updated | 1 May 2018 08:34 CEST | Update | - |
| article html file updated | 23 March 2018 17:27 CET | Original file | - |
| article xml uploaded. | 23 March 2018 17:26 CET | Update | https://www.mdpi.com/1996-1073/11/4/734/xml |
| article pdf uploaded. | 23 March 2018 17:26 CET | Version of Record | https://www.mdpi.com/1996-1073/11/4/734/pdf |
