| article html file updated | 14 February 2020 03:39 CET | Update | https://www.mdpi.com/1996-1073/12/21/4057 |
| article html file updated | 15 November 2019 07:14 CET | Update | N/A |
| article html file updated | 24 October 2019 14:01 CEST | Original file | N/A |
| article pdf uploaded. | 24 October 2019 13:59 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4057/pdf |
| article xml uploaded. | 24 October 2019 13:59 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4057/xml |
| article xml file uploaded | 24 October 2019 13:59 CEST | Original file | N/A |
