| article html file updated | 31 August 2025 21:51 CEST | Update | https://www.mdpi.com/2227-9067/7/6/52 |
| article html file updated | 21 July 2022 06:15 CEST | Update | N/A |
| article html file updated | 6 July 2020 06:24 CEST | Update | N/A |
| article html file updated | 28 June 2020 05:41 CEST | Update | N/A |
| article pdf uploaded. | 28 June 2020 05:40 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/6/52/pdf |
| article xml uploaded. | 28 June 2020 05:40 CEST | Update | https://www.mdpi.com/2227-9067/7/6/52/xml |
| article xml file uploaded | 28 June 2020 05:40 CEST | Update | N/A |
| article html file updated | 9 June 2020 10:32 CEST | Original file | N/A |
| article pdf uploaded. | 9 June 2020 10:31 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/6/52/pdf-vor |
| article xml file uploaded | 9 June 2020 10:31 CEST | Original file | N/A |
| article pdf uploaded. | 28 May 2020 12:27 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/6/52/pdf-vor |
