| article html file updated | 24 January 2024 16:24 CET | Original file | https://www.mdpi.com/2504-3900/9/1/23 |
| article pdf uploaded. | 14 January 2020 02:41 CET | Updated version of record | https://www.mdpi.com/2504-3900/9/1/23/pdf |
| article pdf uploaded. | 20 March 2019 07:23 CET | Version of Record | https://www.mdpi.com/2504-3900/9/1/23/pdf-vor |
| article xml file uploaded | 20 March 2019 07:23 CET | Original file | https://www.mdpi.com/2504-3900/9/1/23/xml |
