| article html file updated | 30 August 2025 22:31 CEST | Update | https://www.mdpi.com/2226-4310/6/7/81 |
| article html file updated | 20 July 2022 06:58 CEST | Update | - |
| article html file updated | 13 February 2020 02:31 CET | Update | - |
| article html file updated | 31 July 2019 15:03 CEST | Update | - |
| article html file updated | 17 July 2019 19:09 CEST | Original file | - |
| article pdf uploaded. | 17 July 2019 12:09 CEST | Updated version of record | https://www.mdpi.com/2226-4310/6/7/81/pdf |
| article xml uploaded. | 17 July 2019 12:09 CEST | Update | https://www.mdpi.com/2226-4310/6/7/81/xml |
| article xml file uploaded | 17 July 2019 12:09 CEST | Update | - |
| article pdf uploaded. | 15 July 2019 15:15 CEST | Version of Record | https://www.mdpi.com/2226-4310/6/7/81/pdf-vor |
| article xml file uploaded | 15 July 2019 15:15 CEST | Original file | - |
