| article html file updated | 31 August 2025 06:34 CEST | Update | https://www.mdpi.com/2223-7747/8/12/608 |
| article html file updated | 19 July 2022 21:41 CEST | Update | - |
| article html file updated | 14 February 2020 18:43 CET | Update | - |
| article html file updated | 31 December 2019 03:24 CET | Update | - |
| article html file updated | 14 December 2019 07:23 CET | Original file | - |
| article pdf uploaded. | 14 December 2019 07:21 CET | Version of Record | https://www.mdpi.com/2223-7747/8/12/608/pdf |
| article xml uploaded. | 14 December 2019 07:21 CET | Update | https://www.mdpi.com/2223-7747/8/12/608/xml |
| article xml file uploaded | 14 December 2019 07:21 CET | Original file | - |
