| article html file updated | 14 February 2020 03:57 CET | Update | https://www.mdpi.com/1996-1073/12/21/4073 |
| article html file updated | 15 November 2019 07:29 CET | Update | N/A |
| article html file updated | 25 October 2019 11:47 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2019 11:46 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4073/pdf |
| article xml uploaded. | 25 October 2019 11:46 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4073/xml |
| article xml file uploaded | 25 October 2019 11:46 CEST | Original file | N/A |
