| article html file updated | 14 February 2020 10:55 CET | Update | https://www.mdpi.com/2032-6653/10/4/81 |
| article html file updated | 19 November 2019 04:06 CET | Original file | N/A |
| article pdf uploaded. | 19 November 2019 04:05 CET | Version of Record | https://www.mdpi.com/2032-6653/10/4/81/pdf |
| article xml uploaded. | 19 November 2019 04:05 CET | Update | https://www.mdpi.com/2032-6653/10/4/81/xml |
| article xml file uploaded | 19 November 2019 04:05 CET | Original file | N/A |
