| article html file updated | 29 August 2025 22:44 CEST | Update | https://www.mdpi.com/2071-1050/8/2/191 |
| article html file updated | 16 July 2022 01:49 CEST | Update | - |
| article html file updated | 7 February 2020 04:50 CET | Update | - |
| article html file updated | 5 May 2019 23:44 CEST | Update | - |
| article html file updated | 26 March 2019 21:17 CET | Original file | - |
| article pdf uploaded. | 24 February 2016 08:32 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/2/191/pdf |
| article pdf uploaded. | 22 February 2016 10:28 CET | Version of Record | https://www.mdpi.com/2071-1050/8/2/191/pdf-vor |
| article xml uploaded. | 22 February 2016 10:28 CET | Original file | https://www.mdpi.com/2071-1050/8/2/191/xml |
