| article html file updated | 12 February 2020 18:04 CET | Update | https://www.mdpi.com/2304-6740/7/6/71 |
| article html file updated | 21 October 2019 11:07 CEST | Update | - |
| article html file updated | 3 July 2019 16:56 CEST | Update | - |
| article html file updated | 6 June 2019 11:23 CEST | Original file | - |
| article pdf uploaded. | 6 June 2019 11:21 CEST | Version of Record | https://www.mdpi.com/2304-6740/7/6/71/pdf |
| article xml uploaded. | 6 June 2019 11:21 CEST | Update | https://www.mdpi.com/2304-6740/7/6/71/xml |
| article xml file uploaded | 6 June 2019 11:21 CEST | Original file | - |
