| article html file updated | 30 August 2025 02:57 CEST | Update | https://www.mdpi.com/1996-1073/11/3/621 |
| article html file updated | 21 August 2025 19:40 CEST | Update | N/A |
| article html file updated | 9 February 2020 09:23 CET | Update | N/A |
| article html file updated | 1 October 2019 11:18 CEST | Update | N/A |
| article html file updated | 1 May 2019 12:42 CEST | Update | N/A |
| article html file updated | 17 April 2019 12:24 CEST | Update | N/A |
| article html file updated | 29 March 2019 05:35 CET | Update | N/A |
| article html file updated | 27 March 2018 06:09 CEST | Update | N/A |
| article html file updated | 10 March 2018 11:59 CET | Original file | N/A |
| article xml uploaded. | 10 March 2018 11:58 CET | Update | https://www.mdpi.com/1996-1073/11/3/621/xml |
| article pdf uploaded. | 10 March 2018 11:58 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/621/pdf |
