| article html file updated | 25 January 2024 11:16 CET | Original file | https://www.mdpi.com/2504-3900/31/1/44 |
| article pdf uploaded. | 20 November 2019 09:41 CET | Version of Record | https://www.mdpi.com/2504-3900/31/1/44/pdf |
| article xml file uploaded | 20 November 2019 09:41 CET | Original file | https://www.mdpi.com/2504-3900/31/1/44/xml |
