| article html file updated | 25 January 2024 11:06 CET | Original file | https://www.mdpi.com/2504-3900/30/1/56 |
| article pdf uploaded. | 18 May 2020 09:36 CEST | Version of Record | https://www.mdpi.com/2504-3900/30/1/56/pdf |
| article xml file uploaded | 18 May 2020 09:36 CEST | Original file | https://www.mdpi.com/2504-3900/30/1/56/xml |
