| article html file updated | 24 December 2025 14:05 CET | Update | https://www.mdpi.com/2071-1050/9/12/2338 |
| article html file updated | 30 August 2025 01:59 CEST | Update | N/A |
| article html file updated | 21 August 2025 19:28 CEST | Update | N/A |
| article html file updated | 9 February 2020 00:10 CET | Update | N/A |
| article html file updated | 29 September 2019 05:43 CEST | Update | N/A |
| article html file updated | 2 May 2019 08:23 CEST | Update | N/A |
| article html file updated | 18 April 2019 06:10 CEST | Update | N/A |
| article html file updated | 2 January 2018 19:13 CET | Update | N/A |
| article html file updated | 15 December 2017 07:24 CET | Original file | N/A |
| article xml uploaded. | 15 December 2017 07:23 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2338/xml |
| article pdf uploaded. | 15 December 2017 07:23 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2338/pdf |
