| article html file updated | 31 August 2025 20:10 CEST | Update | https://www.mdpi.com/2073-431X/9/2/39 |
| article html file updated | 21 July 2022 04:35 CEST | Update | - |
| article html file updated | 2 June 2020 04:02 CEST | Update | - |
| article pdf uploaded. | 2 June 2020 04:00 CEST | Updated version of record | https://www.mdpi.com/2073-431X/9/2/39/pdf |
| article html file updated | 2 June 2020 03:46 CEST | Original file | - |
| article pdf uploaded. | 2 June 2020 03:45 CEST | Updated version of record | https://www.mdpi.com/2073-431X/9/2/39/pdf-vor |
| article xml uploaded. | 2 June 2020 03:45 CEST | Update | https://www.mdpi.com/2073-431X/9/2/39/xml |
| article xml file uploaded | 2 June 2020 03:45 CEST | Update | - |
| article pdf uploaded. | 12 May 2020 13:32 CEST | Updated version of record | https://www.mdpi.com/2073-431X/9/2/39/pdf-vor |
| article xml file uploaded | 12 May 2020 13:32 CEST | Update | - |
| article pdf uploaded. | 12 May 2020 13:32 CEST | Version of Record | https://www.mdpi.com/2073-431X/9/2/39/pdf-vor |
| article xml file uploaded | 12 May 2020 13:32 CEST | Original file | - |
