| article html file updated | 1 September 2025 13:40 CEST | Update | https://www.mdpi.com/2218-1997/6/11/211 |
| article html file updated | 23 July 2022 01:23 CEST | Update | N/A |
| article html file updated | 27 November 2020 06:58 CET | Update | N/A |
| article html file updated | 18 November 2020 03:35 CET | Update | N/A |
| article pdf uploaded. | 18 November 2020 03:34 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/11/211/pdf |
| article xml uploaded. | 18 November 2020 03:34 CET | Update | https://www.mdpi.com/2218-1997/6/11/211/xml |
| article xml file uploaded | 18 November 2020 03:34 CET | Update | N/A |
| article html file updated | 17 November 2020 11:28 CET | Original file | N/A |
| article pdf uploaded. | 17 November 2020 11:27 CET | Version of Record | https://www.mdpi.com/2218-1997/6/11/211/pdf-vor |
| article xml uploaded. | 17 November 2020 11:27 CET | Update | N/A |
| article xml file uploaded | 17 November 2020 11:27 CET | Original file | N/A |
