| article html file updated | 1 September 2025 09:16 CEST | Update | https://www.mdpi.com/2218-1997/6/10/157 |
| article html file updated | 22 July 2022 08:23 CEST | Update | N/A |
| article html file updated | 25 September 2020 06:27 CEST | Update | N/A |
| article pdf uploaded. | 25 September 2020 06:26 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/10/157/pdf |
| article xml uploaded. | 25 September 2020 06:26 CEST | Update | https://www.mdpi.com/2218-1997/6/10/157/xml |
| article xml file uploaded | 25 September 2020 06:26 CEST | Update | N/A |
| article html file updated | 24 September 2020 08:48 CEST | Original file | N/A |
| article pdf uploaded. | 24 September 2020 08:47 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/10/157/pdf-vor |
| article xml uploaded. | 24 September 2020 08:47 CEST | Update | N/A |
| article xml file uploaded | 24 September 2020 08:47 CEST | Original file | N/A |
