| article html file updated | 1 September 2025 03:52 CEST | Update | https://www.mdpi.com/2218-1997/6/8/101 |
| article html file updated | 22 July 2022 01:12 CEST | Update | N/A |
| article html file updated | 9 October 2020 15:17 CEST | Update | N/A |
| article html file updated | 27 July 2020 13:04 CEST | Original file | N/A |
| article pdf uploaded. | 27 July 2020 13:02 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/8/101/pdf |
| article xml uploaded. | 27 July 2020 13:02 CEST | Update | https://www.mdpi.com/2218-1997/6/8/101/xml |
| article xml file uploaded | 27 July 2020 13:02 CEST | Original file | N/A |
| article pdf uploaded. | 24 July 2020 12:58 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/8/101/pdf-vor |
