| article html file updated | 2 April 2020 03:24 CEST | Update | https://www.mdpi.com/2304-8158/9/3/277 |
| article html file updated | 3 March 2020 12:36 CET | Original file | - |
| article pdf uploaded. | 3 March 2020 12:35 CET | Version of Record | https://www.mdpi.com/2304-8158/9/3/277/pdf |
| article xml uploaded. | 3 March 2020 12:35 CET | Update | https://www.mdpi.com/2304-8158/9/3/277/xml |
| article xml file uploaded | 3 March 2020 12:35 CET | Original file | - |
