| article html file updated | 29 August 2025 22:25 CEST | Update | https://www.mdpi.com/1996-1073/8/12/12391 |
| article html file updated | 16 July 2022 01:21 CEST | Update | N/A |
| article html file updated | 7 February 2020 01:38 CET | Update | N/A |
| article html file updated | 6 May 2019 06:12 CEST | Update | N/A |
| article html file updated | 26 March 2019 15:31 CET | Original file | N/A |
| article pdf uploaded. | 2 December 2015 13:25 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12391/pdf |
| article xml uploaded. | 2 December 2015 13:25 CET | Original file | https://www.mdpi.com/1996-1073/8/12/12391/xml |
