| article html file updated | 1 September 2025 20:09 CEST | Update | https://www.mdpi.com/2218-1997/7/2/28 |
| article html file updated | 24 July 2022 07:23 CEST | Update | N/A |
| article html file updated | 8 February 2021 09:59 CET | Update | N/A |
| article html file updated | 8 February 2021 08:59 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2021 08:57 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/2/28/pdf |
| article xml uploaded. | 8 February 2021 08:57 CET | Update | https://www.mdpi.com/2218-1997/7/2/28/xml |
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| article pdf uploaded. | 2 February 2021 09:58 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/2/28/pdf-vor |
| article pdf uploaded. | 29 January 2021 17:13 CET | Version of Record | https://www.mdpi.com/2218-1997/7/2/28/pdf-vor |
