| article html file updated | 25 January 2024 11:23 CET | Original file | https://www.mdpi.com/2504-3900/32/1/2 |
| article pdf uploaded. | 4 December 2019 05:03 CET | Version of Record | https://www.mdpi.com/2504-3900/32/1/2/pdf |
| article xml file uploaded | 4 December 2019 05:03 CET | Original file | https://www.mdpi.com/2504-3900/32/1/2/xml |
