| article html file updated | 1 September 2025 17:44 CEST | Update | https://www.mdpi.com/1718-7729/28/1/30 |
| article html file updated | 23 July 2022 10:19 CEST | Update | - |
| article html file updated | 7 January 2021 03:06 CET | Original file | - |
| article pdf uploaded. | 7 January 2021 03:05 CET | Updated version of record | https://www.mdpi.com/1718-7729/28/1/30/pdf |
| article xml uploaded. | 7 January 2021 03:05 CET | Update | https://www.mdpi.com/1718-7729/28/1/30/xml |
| article xml file uploaded | 7 January 2021 03:05 CET | Original file | - |
| article pdf uploaded. | 5 January 2021 11:37 CET | Updated version of record | https://www.mdpi.com/1718-7729/28/1/30/pdf-vor |
| article pdf uploaded. | 4 January 2021 19:16 CET | Version of Record | https://www.mdpi.com/1718-7729/28/1/30/pdf-vor |
