| article html file updated | 31 August 2025 18:38 CEST | Update | https://www.mdpi.com/2076-0752/9/2/52 |
| article html file updated | 21 July 2022 03:05 CEST | Update | - |
| article html file updated | 15 June 2020 13:49 CEST | Update | - |
| article pdf uploaded. | 15 June 2020 13:48 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/52/pdf |
| article xml uploaded. | 15 June 2020 13:48 CEST | Update | https://www.mdpi.com/2076-0752/9/2/52/xml |
| article xml file uploaded | 15 June 2020 13:48 CEST | Update | - |
| article html file updated | 15 June 2020 06:25 CEST | Original file | - |
| article pdf uploaded. | 15 June 2020 06:24 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/52/pdf-vor |
| article xml file uploaded | 15 June 2020 06:24 CEST | Update | - |
| article pdf uploaded. | 26 April 2020 14:00 CEST | Version of Record | https://www.mdpi.com/2076-0752/9/2/52/pdf-vor |
| article xml file uploaded | 26 April 2020 14:00 CEST | Original file | - |
