| article html file updated | 31 August 2025 08:21 CEST | Update | https://www.mdpi.com/2304-8158/9/1/57 |
| article html file updated | 19 July 2022 19:58 CEST | Update | - |
| article html file updated | 15 February 2020 00:40 CET | Update | - |
| article html file updated | 7 February 2020 04:51 CET | Update | - |
| article html file updated | 22 January 2020 08:04 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 08:02 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/1/57/pdf |
| article xml uploaded. | 22 January 2020 08:02 CET | Update | https://www.mdpi.com/2304-8158/9/1/57/xml |
| article xml file uploaded | 22 January 2020 08:02 CET | Update | - |
| article pdf uploaded. | 7 January 2020 09:14 CET | Version of Record | https://www.mdpi.com/2304-8158/9/1/57/pdf-vor |
| article xml file uploaded | 7 January 2020 09:14 CET | Original file | - |
