| article html file updated | 30 August 2025 00:16 CEST | Update | https://www.mdpi.com/2072-6651/9/1/40 |
| article html file updated | 16 July 2022 04:35 CEST | Update | - |
| article html file updated | 7 February 2020 21:53 CET | Update | - |
| article html file updated | 22 September 2019 23:41 CEST | Update | - |
| article html file updated | 4 May 2019 14:16 CEST | Update | - |
| article html file updated | 7 February 2017 13:41 CET | Update | - |
| article html file updated | 20 January 2017 14:15 CET | Original file | - |
| article xml uploaded. | 20 January 2017 14:14 CET | Original file | https://www.mdpi.com/2072-6651/9/1/40/xml |
| article pdf uploaded. | 20 January 2017 14:14 CET | Version of Record | https://www.mdpi.com/2072-6651/9/1/40/pdf |