| article html file updated | 30 August 2025 03:32 CEST | Update | https://www.mdpi.com/1996-1073/11/4/970 |
| article html file updated | 16 July 2022 10:49 CEST | Update | N/A |
| article html file updated | 9 February 2020 14:18 CET | Update | N/A |
| article html file updated | 2 October 2019 17:40 CEST | Update | N/A |
| article html file updated | 1 May 2019 02:33 CEST | Update | N/A |
| article html file updated | 17 April 2019 03:02 CEST | Update | N/A |
| article html file updated | 29 March 2019 16:46 CET | Update | N/A |
| article html file updated | 1 May 2018 09:48 CEST | Update | N/A |
| article html file updated | 18 April 2018 10:20 CEST | Original file | N/A |
| article pdf uploaded. | 18 April 2018 10:19 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/970/pdf |
| article xml uploaded. | 18 April 2018 10:19 CEST | Update | https://www.mdpi.com/1996-1073/11/4/970/xml |
| article xml file uploaded | 18 April 2018 10:19 CEST | Original file | N/A |