| article html file updated | 31 August 2025 20:54 CEST | Update | https://www.mdpi.com/2227-9709/7/2/15 |
| article html file updated | 21 July 2022 05:18 CEST | Update | N/A |
| article html file updated | 12 June 2020 13:54 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2020 13:53 CEST | Updated version of record | https://www.mdpi.com/2227-9709/7/2/15/pdf |
| article xml uploaded. | 12 June 2020 13:53 CEST | Update | https://www.mdpi.com/2227-9709/7/2/15/xml |
| article xml file uploaded | 12 June 2020 13:53 CEST | Update | N/A |
| article pdf uploaded. | 19 May 2020 11:59 CEST | Version of Record | https://www.mdpi.com/2227-9709/7/2/15/pdf-vor |
| article xml file uploaded | 19 May 2020 11:59 CEST | Original file | N/A |
