| article html file updated | 8 February 2020 15:35 CET | Update | https://www.mdpi.com/1424-8220/17/9/2055 |
| article html file updated | 27 September 2019 00:12 CEST | Update | - |
| article html file updated | 3 May 2019 03:05 CEST | Update | - |
| article html file updated | 30 September 2017 14:51 CEST | Update | - |
| article html file updated | 8 September 2017 15:04 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 15:03 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2055/xml |
| article xml uploaded. | 8 September 2017 15:03 CEST | Original file | - |
| article pdf uploaded. | 8 September 2017 15:03 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2055/pdf |
| article pdf uploaded. | 7 September 2017 12:27 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2055/pdf-vor |
