| article html file updated | 24 December 2025 20:55 CET | Update | https://www.mdpi.com/2218-1997/6/9/136 |
| article html file updated | 1 September 2025 06:40 CEST | Update | N/A |
| article html file updated | 22 August 2025 00:06 CEST | Update | N/A |
| article html file updated | 22 July 2022 04:49 CEST | Update | N/A |
| article html file updated | 9 October 2020 20:15 CEST | Update | N/A |
| article html file updated | 7 October 2020 11:42 CEST | Update | N/A |
| article html file updated | 27 August 2020 04:56 CEST | Original file | N/A |
| article pdf uploaded. | 27 August 2020 04:55 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/9/136/pdf |
| article xml uploaded. | 27 August 2020 04:55 CEST | Update | https://www.mdpi.com/2218-1997/6/9/136/xml |
| article xml file uploaded | 27 August 2020 04:55 CEST | Original file | N/A |
| article pdf uploaded. | 26 August 2020 10:43 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/9/136/pdf-vor |
