| article html file updated | 30 August 2025 02:21 CEST | Update | https://www.mdpi.com/1996-1073/11/2/277 |
| article html file updated | 16 July 2022 08:45 CEST | Update | - |
| article html file updated | 9 February 2020 04:09 CET | Update | - |
| article html file updated | 30 September 2019 04:20 CEST | Update | - |
| article html file updated | 1 May 2019 23:57 CEST | Update | - |
| article html file updated | 17 April 2019 22:28 CEST | Update | - |
| article html file updated | 28 March 2019 17:57 CET | Update | - |
| article html file updated | 14 March 2018 15:23 CET | Update | - |
| article html file updated | 24 January 2018 09:38 CET | Original file | - |
| article xml uploaded. | 24 January 2018 09:37 CET | Update | https://www.mdpi.com/1996-1073/11/2/277/xml |
| article xml uploaded. | 24 January 2018 09:37 CET | Original file | - |
| article pdf uploaded. | 24 January 2018 09:37 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/277/pdf |
