| article html file updated | 7 September 2025 12:46 CEST | Update | https://www.mdpi.com/2218-1997/8/1/40 |
| article html file updated | 22 August 2025 01:46 CEST | Update | - |
| article html file updated | 31 July 2022 03:06 CEST | Update | - |
| article html file updated | 20 January 2022 05:32 CET | Update | - |
| article pdf uploaded. | 20 January 2022 05:31 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/40/pdf |
| article xml uploaded. | 20 January 2022 05:31 CET | Update | https://www.mdpi.com/2218-1997/8/1/40/xml |
| article xml file uploaded | 20 January 2022 05:31 CET | Update | - |
| article html file updated | 19 January 2022 08:41 CET | Update | - |
| article pdf uploaded. | 19 January 2022 08:40 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/40/pdf-vor |
| article xml uploaded. | 19 January 2022 08:40 CET | Update | - |
| article xml file uploaded | 19 January 2022 08:40 CET | Update | - |
| article html file updated | 16 January 2022 14:38 CET | Update | - |
| article pdf uploaded. | 16 January 2022 14:36 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/40/pdf-vor |
| article xml file uploaded | 16 January 2022 14:36 CET | Update | - |
| article xml uploaded. | 16 January 2022 14:36 CET | Update | - |
| article html file updated | 13 January 2022 08:07 CET | Update | - |
| article pdf uploaded. | 13 January 2022 08:06 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/40/pdf-vor |
| article xml uploaded. | 13 January 2022 08:06 CET | Update | - |
| article xml file uploaded | 13 January 2022 08:06 CET | Update | - |
| article html file updated | 11 January 2022 09:53 CET | Update | - |
| article pdf uploaded. | 11 January 2022 09:51 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/40/pdf-vor |
| article xml uploaded. | 11 January 2022 09:51 CET | Update | - |
| article xml file uploaded | 11 January 2022 09:51 CET | Update | - |
| article html file updated | 11 January 2022 09:15 CET | Original file | - |
| article pdf uploaded. | 11 January 2022 09:13 CET | Version of Record | https://www.mdpi.com/2218-1997/8/1/40/pdf-vor |
| article xml file uploaded | 11 January 2022 09:13 CET | Update | - |
| article xml uploaded. | 11 January 2022 09:13 CET | Original file | - |
