| article html file updated | 31 August 2025 18:30 CEST | Update | https://www.mdpi.com/2227-7102/10/4/121 |
| article html file updated | 21 July 2022 02:56 CEST | Update | N/A |
| article html file updated | 27 April 2020 11:14 CEST | Original file | N/A |
| article pdf uploaded. | 27 April 2020 11:13 CEST | Updated version of record | https://www.mdpi.com/2227-7102/10/4/121/pdf |
| article xml uploaded. | 27 April 2020 11:13 CEST | Update | https://www.mdpi.com/2227-7102/10/4/121/xml |
| article xml file uploaded | 27 April 2020 11:13 CEST | Update | N/A |
| article pdf uploaded. | 24 April 2020 15:57 CEST | Version of Record | https://www.mdpi.com/2227-7102/10/4/121/pdf-vor |
| article xml file uploaded | 24 April 2020 15:57 CEST | Original file | N/A |
