| article html file updated | 12 February 2020 17:16 CET | Update | https://www.mdpi.com/1999-4923/11/6/259 |
| article html file updated | 21 October 2019 06:04 CEST | Update | - |
| article html file updated | 5 July 2019 15:40 CEST | Update | - |
| article html file updated | 3 June 2019 11:51 CEST | Original file | - |
| article pdf uploaded. | 3 June 2019 11:49 CEST | Version of Record | https://www.mdpi.com/1999-4923/11/6/259/pdf |
| article xml uploaded. | 3 June 2019 11:49 CEST | Update | https://www.mdpi.com/1999-4923/11/6/259/xml |
| article xml file uploaded | 3 June 2019 11:49 CEST | Original file | - |
