| article html file updated | 8 February 2020 15:14 CET | Update | https://www.mdpi.com/1424-8220/17/9/2026 |
| article html file updated | 26 September 2019 22:21 CEST | Update | - |
| article html file updated | 3 May 2019 03:44 CEST | Update | - |
| article html file updated | 30 September 2017 14:46 CEST | Update | - |
| article html file updated | 5 September 2017 22:43 CEST | Original file | - |
| article xml uploaded. | 5 September 2017 04:03 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2026/xml |
| article xml uploaded. | 5 September 2017 04:03 CEST | Original file | - |
| article pdf uploaded. | 5 September 2017 04:03 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2026/pdf |
| article pdf uploaded. | 4 September 2017 11:14 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2026/pdf-vor |
