| article html file updated | 13 February 2020 18:24 CET | Update | https://www.mdpi.com/1999-5903/11/9/199 |
| article html file updated | 25 September 2019 23:36 CEST | Update | - |
| article html file updated | 18 September 2019 09:58 CEST | Update | - |
| article html file updated | 18 September 2019 09:57 CEST | Update | - |
| article html file updated | 18 September 2019 09:56 CEST | Original file | - |
| article pdf uploaded. | 18 September 2019 09:54 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/9/199/pdf |
| article xml uploaded. | 18 September 2019 09:54 CEST | Update | https://www.mdpi.com/1999-5903/11/9/199/xml |
| article xml file uploaded | 18 September 2019 09:54 CEST | Original file | - |
