| article html file updated | 29 August 2025 22:58 CEST | Update | https://www.mdpi.com/1996-1944/9/4/286 |
| article html file updated | 16 July 2022 02:11 CEST | Update | - |
| article html file updated | 7 February 2020 07:17 CET | Update | - |
| article html file updated | 5 May 2019 18:35 CEST | Update | - |
| article html file updated | 27 March 2019 01:56 CET | Update | - |
| article html file updated | 28 April 2016 11:06 CEST | Update | - |
| article html file updated | 14 April 2016 13:31 CEST | Original file | - |
| article xml uploaded. | 14 April 2016 13:30 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/286/xml |
| article pdf uploaded. | 14 April 2016 13:30 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/286/pdf |
