| article html file updated | 26 December 2025 17:58 CET | Update | https://www.mdpi.com/2218-1997/8/2/64 |
| article html file updated | 7 September 2025 14:57 CEST | Update | N/A |
| article html file updated | 31 July 2022 05:04 CEST | Update | N/A |
| article html file updated | 21 January 2022 10:10 CET | Update | N/A |
| article pdf uploaded. | 21 January 2022 10:05 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/64/pdf |
| article xml uploaded. | 21 January 2022 10:05 CET | Update | https://www.mdpi.com/2218-1997/8/2/64/xml |
| article xml file uploaded | 21 January 2022 10:05 CET | Update | N/A |
| article html file updated | 21 January 2022 02:14 CET | Original file | N/A |
| article pdf uploaded. | 21 January 2022 02:13 CET | Version of Record | N/A |
| article xml uploaded. | 21 January 2022 02:13 CET | Update | N/A |
| article xml file uploaded | 21 January 2022 02:13 CET | Original file | N/A |
