| article html file updated | 1 September 2025 18:44 CEST | Update | https://www.mdpi.com/2218-1997/7/1/18 |
| article html file updated | 23 July 2022 16:58 CEST | Update | - |
| article html file updated | 18 October 2021 12:42 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | https://www.mdpi.com/2218-1997/7/1/18/xml |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article xml uploaded. | 18 October 2021 12:40 CEST | Update | - |
| article pdf uploaded. | 18 October 2021 12:40 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/1/18/pdf |
| article html file updated | 21 January 2021 10:06 CET | Update | - |
| article pdf uploaded. | 21 January 2021 09:59 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/1/18/pdf-vor |
| article xml uploaded. | 21 January 2021 09:59 CET | Update | - |
| article xml file uploaded | 21 January 2021 09:59 CET | Update | - |
| article html file updated | 19 January 2021 12:35 CET | Update | - |
| article pdf uploaded. | 19 January 2021 12:34 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/1/18/pdf-vor |
| article xml uploaded. | 19 January 2021 12:34 CET | Update | - |
| article xml file uploaded | 19 January 2021 12:34 CET | Update | - |
| article html file updated | 18 January 2021 07:39 CET | Original file | - |
| article pdf uploaded. | 18 January 2021 07:37 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/1/18/pdf-vor |
| article xml uploaded. | 18 January 2021 07:37 CET | Update | - |
| article xml file uploaded | 18 January 2021 07:37 CET | Original file | - |
| article pdf uploaded. | 15 January 2021 11:31 CET | Version of Record | https://www.mdpi.com/2218-1997/7/1/18/pdf-vor |
