| article html file updated | 29 August 2025 22:54 CEST | Update | https://www.mdpi.com/1996-1944/9/4/260 |
| article html file updated | 20 August 2025 22:17 CEST | Update | N/A |
| article html file updated | 7 February 2020 06:40 CET | Update | N/A |
| article html file updated | 5 May 2019 19:54 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:45 CET | Update | N/A |
| article html file updated | 28 April 2016 10:54 CEST | Update | N/A |
| article html file updated | 31 March 2016 09:35 CEST | Original file | N/A |
| article xml uploaded. | 31 March 2016 09:34 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/260/xml |
| article pdf uploaded. | 31 March 2016 09:34 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/260/pdf |
