| article html file updated | 30 August 2025 00:20 CEST | Update | https://www.mdpi.com/2071-1050/9/2/206 |
| article html file updated | 16 July 2022 04:44 CEST | Update | - |
| article html file updated | 7 February 2020 22:37 CET | Update | - |
| article html file updated | 23 September 2019 03:34 CEST | Update | - |
| article html file updated | 4 May 2019 12:49 CEST | Update | - |
| article html file updated | 1 March 2017 10:28 CET | Update | - |
| article html file updated | 4 February 2017 06:00 CET | Original file | - |
| article pdf uploaded. | 3 February 2017 13:06 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/206/pdf |
