| article html file updated | 31 August 2025 21:36 CEST | Update | https://www.mdpi.com/2311-7524/6/2/31 |
| article html file updated | 21 July 2022 06:00 CEST | Update | - |
| article html file updated | 9 June 2020 08:08 CEST | Original file | - |
| article pdf uploaded. | 9 June 2020 08:07 CEST | Updated version of record | https://www.mdpi.com/2311-7524/6/2/31/pdf |
| article xml uploaded. | 9 June 2020 08:07 CEST | Update | https://www.mdpi.com/2311-7524/6/2/31/xml |
| article xml file uploaded | 9 June 2020 08:06 CEST | Update | - |
| article pdf uploaded. | 26 May 2020 11:42 CEST | Version of Record | https://www.mdpi.com/2311-7524/6/2/31/pdf-vor |
| article xml file uploaded | 26 May 2020 11:42 CEST | Original file | - |
