| article html file updated | 30 August 2025 00:27 CEST | Update | https://www.mdpi.com/2071-1050/9/2/315 |
| article html file updated | 16 July 2022 04:57 CEST | Update | - |
| article html file updated | 7 February 2020 23:52 CET | Update | - |
| article html file updated | 23 September 2019 10:35 CEST | Update | - |
| article html file updated | 4 May 2019 10:19 CEST | Update | - |
| article html file updated | 1 March 2017 10:45 CET | Update | - |
| article html file updated | 21 February 2017 08:38 CET | Original file | - |
| article xml uploaded. | 21 February 2017 08:37 CET | Original file | https://www.mdpi.com/2071-1050/9/2/315/xml |
| article pdf uploaded. | 21 February 2017 08:37 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/315/pdf |