| article html file updated | 30 August 2025 00:10 CEST | Update | https://www.mdpi.com/2071-1050/9/1/66 |
| article html file updated | 16 July 2022 04:23 CEST | Update | N/A |
| article html file updated | 7 February 2020 20:51 CET | Update | N/A |
| article html file updated | 22 September 2019 18:15 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:38 CEST | Update | N/A |
| article html file updated | 7 February 2017 10:01 CET | Update | N/A |
| article html file updated | 5 January 2017 12:31 CET | Original file | N/A |
| article xml uploaded. | 5 January 2017 12:30 CET | Original file | https://www.mdpi.com/2071-1050/9/1/66/xml |
| article pdf uploaded. | 5 January 2017 12:30 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/66/pdf |
