| article html file updated | 30 August 2025 00:13 CEST | Update | https://www.mdpi.com/1996-1073/10/1/91 |
| article html file updated | 16 July 2022 04:29 CEST | Update | - |
| article html file updated | 7 February 2020 21:19 CET | Update | - |
| article html file updated | 22 September 2019 20:36 CEST | Update | - |
| article html file updated | 4 May 2019 15:36 CEST | Update | - |
| article html file updated | 7 February 2017 09:57 CET | Update | - |
| article html file updated | 12 January 2017 11:27 CET | Original file | - |
| article xml uploaded. | 12 January 2017 11:26 CET | Original file | https://www.mdpi.com/1996-1073/10/1/91/xml |
| article pdf uploaded. | 12 January 2017 11:26 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/91/pdf |