| article html file updated | 13 February 2020 03:45 CET | Update | https://www.mdpi.com/2304-8158/8/7/271 |
| article html file updated | 31 July 2019 20:23 CEST | Update | - |
| article html file updated | 22 July 2019 15:09 CEST | Update | - |
| article xml uploaded. | 22 July 2019 15:08 CEST | Update | https://www.mdpi.com/2304-8158/8/7/271/xml |
| article pdf uploaded. | 22 July 2019 15:08 CEST | Updated version of record | https://www.mdpi.com/2304-8158/8/7/271/pdf |
| article html file updated | 20 July 2019 09:10 CEST | Original file | - |
| article pdf uploaded. | 20 July 2019 09:09 CEST | Version of Record | https://www.mdpi.com/2304-8158/8/7/271/pdf-vor |
| article xml file uploaded | 20 July 2019 09:09 CEST | Original file | - |
