| article html file updated | 31 August 2025 17:31 CEST | Update | https://www.mdpi.com/2073-431X/9/2/30 |
| article html file updated | 21 July 2022 01:59 CEST | Update | - |
| article html file updated | 6 May 2020 07:34 CEST | Original file | - |
| article pdf uploaded. | 6 May 2020 07:32 CEST | Updated version of record | https://www.mdpi.com/2073-431X/9/2/30/pdf |
| article xml uploaded. | 6 May 2020 07:32 CEST | Update | https://www.mdpi.com/2073-431X/9/2/30/xml |
| article xml file uploaded | 6 May 2020 07:32 CEST | Update | - |
| article pdf uploaded. | 15 April 2020 16:25 CEST | Updated version of record | https://www.mdpi.com/2073-431X/9/2/30/pdf-vor |
| article xml file uploaded | 15 April 2020 16:25 CEST | Update | - |
| article pdf uploaded. | 15 April 2020 16:25 CEST | Version of Record | https://www.mdpi.com/2073-431X/9/2/30/pdf-vor |
| article xml file uploaded | 15 April 2020 16:25 CEST | Original file | - |
