| article html file updated | 29 August 2025 23:59 CEST | Update | https://www.mdpi.com/1996-1944/9/12/977 |
| article html file updated | 16 July 2022 04:02 CEST | Update | - |
| article html file updated | 7 February 2020 19:00 CET | Update | - |
| article html file updated | 22 September 2019 08:28 CEST | Update | - |
| article html file updated | 4 May 2019 20:31 CEST | Update | - |
| article html file updated | 28 December 2016 10:36 CET | Update | - |
| article html file updated | 28 December 2016 08:06 CET | Update | - |
| article html file updated | 2 December 2016 11:53 CET | Original file | - |
| article xml uploaded. | 2 December 2016 11:51 CET | Update | https://www.mdpi.com/1996-1944/9/12/977/xml |
| article xml uploaded. | 2 December 2016 11:51 CET | Original file | - |
| article pdf uploaded. | 2 December 2016 11:51 CET | Version of Record | https://www.mdpi.com/1996-1944/9/12/977/pdf |