| article html file updated | 31 August 2025 02:56 CEST | Update | https://www.mdpi.com/2227-7072/7/4/61 |
| article html file updated | 20 July 2022 01:36 CEST | Update | - |
| article html file updated | 14 February 2020 01:02 CET | Update | - |
| article html file updated | 31 December 2019 06:08 CET | Update | - |
| article html file updated | 18 October 2019 08:14 CEST | Original file | - |
| article pdf uploaded. | 18 October 2019 08:13 CEST | Updated version of record | https://www.mdpi.com/2227-7072/7/4/61/pdf |
| article xml uploaded. | 18 October 2019 08:13 CEST | Update | https://www.mdpi.com/2227-7072/7/4/61/xml |
| article xml file uploaded | 18 October 2019 08:13 CEST | Update | - |
| article pdf uploaded. | 15 October 2019 12:48 CEST | Version of Record | https://www.mdpi.com/2227-7072/7/4/61/pdf-vor |
| article xml file uploaded | 15 October 2019 12:48 CEST | Original file | - |
