| article html file updated | 31 August 2025 00:44 CEST | Update | https://www.mdpi.com/2223-7747/8/9/317 |
| article html file updated | 20 July 2022 04:16 CEST | Update | - |
| article html file updated | 13 February 2020 13:58 CET | Update | - |
| article html file updated | 27 September 2019 16:29 CEST | Update | - |
| article html file updated | 31 August 2019 07:38 CEST | Original file | - |
| article pdf uploaded. | 31 August 2019 07:37 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/9/317/pdf |
| article xml uploaded. | 31 August 2019 07:37 CEST | Update | https://www.mdpi.com/2223-7747/8/9/317/xml |
| article xml file uploaded | 31 August 2019 07:37 CEST | Original file | - |
