| article html file updated | 31 August 2025 19:54 CEST | Update | https://www.mdpi.com/2079-9284/7/2/31 |
| article html file updated | 21 July 2022 04:20 CEST | Update | N/A |
| article html file updated | 17 June 2020 09:19 CEST | Original file | N/A |
| article pdf uploaded. | 17 June 2020 09:16 CEST | Updated version of record | https://www.mdpi.com/2079-9284/7/2/31/pdf |
| article xml uploaded. | 17 June 2020 09:16 CEST | Update | https://www.mdpi.com/2079-9284/7/2/31/xml |
| article xml file uploaded | 17 June 2020 09:16 CEST | Update | N/A |
| article pdf uploaded. | 9 May 2020 13:20 CEST | Version of Record | https://www.mdpi.com/2079-9284/7/2/31/pdf-vor |
| article xml file uploaded | 9 May 2020 13:20 CEST | Original file | N/A |
