| article html file updated | 29 August 2025 23:33 CEST | Update | https://www.mdpi.com/2071-1050/8/9/859 |
| article html file updated | 20 August 2025 22:23 CEST | Update | - |
| article html file updated | 16 July 2022 03:13 CEST | Update | - |
| article html file updated | 7 February 2020 14:04 CET | Update | - |
| article html file updated | 5 May 2019 05:45 CEST | Update | - |
| article html file updated | 27 March 2019 15:13 CET | Update | - |
| article html file updated | 27 September 2016 05:10 CEST | Update | - |
| article html file updated | 29 August 2016 14:50 CEST | Original file | - |
| article xml uploaded. | 29 August 2016 14:48 CEST | Update | https://www.mdpi.com/2071-1050/8/9/859/xml |
| article xml uploaded. | 29 August 2016 14:48 CEST | Original file | - |
| article pdf uploaded. | 29 August 2016 14:48 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/859/pdf |