| article html file updated | 1 September 2025 01:02 CEST | Update | https://www.mdpi.com/2218-1997/6/7/88 |
| article html file updated | 21 July 2022 22:21 CEST | Update | - |
| article html file updated | 9 October 2020 10:22 CEST | Update | - |
| article html file updated | 13 July 2020 11:28 CEST | Original file | - |
| article pdf uploaded. | 13 July 2020 11:27 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/7/88/pdf |
| article xml uploaded. | 13 July 2020 11:27 CEST | Update | https://www.mdpi.com/2218-1997/6/7/88/xml |
| article xml file uploaded | 13 July 2020 11:27 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 04:54 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/7/88/pdf-vor |
