| article html file updated | 8 February 2020 16:37 CET | Update | https://www.mdpi.com/1424-8220/17/9/2150 |
| article html file updated | 27 September 2019 05:53 CEST | Update | - |
| article html file updated | 3 May 2019 01:11 CEST | Update | - |
| article html file updated | 30 September 2017 15:11 CEST | Update | - |
| article html file updated | 19 September 2017 14:19 CEST | Original file | - |
| article xml uploaded. | 19 September 2017 14:18 CEST | Original file | https://www.mdpi.com/1424-8220/17/9/2150/xml |
| article pdf uploaded. | 19 September 2017 14:18 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2150/pdf |
