| article html file updated | 24 December 2025 20:18 CET | Update | https://www.mdpi.com/2218-1997/6/8/106 |
| article html file updated | 1 September 2025 04:33 CEST | Update | N/A |
| article html file updated | 22 July 2022 02:02 CEST | Update | N/A |
| article html file updated | 9 October 2020 16:22 CEST | Update | N/A |
| article html file updated | 5 August 2020 08:40 CEST | Update | N/A |
| article pdf uploaded. | 5 August 2020 08:38 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/8/106/pdf |
| article html file updated | 5 August 2020 08:25 CEST | Original file | N/A |
| article pdf uploaded. | 5 August 2020 08:23 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/8/106/pdf-vor |
| article xml uploaded. | 5 August 2020 08:23 CEST | Update | https://www.mdpi.com/2218-1997/6/8/106/xml |
| article xml file uploaded | 5 August 2020 08:23 CEST | Original file | N/A |
| article pdf uploaded. | 31 July 2020 14:06 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/8/106/pdf-vor |
| article pdf uploaded. | 31 July 2020 14:06 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/8/106/pdf-vor |
