| article html file updated | 8 February 2020 05:40 CET | Update | https://www.mdpi.com/1424-8220/17/5/1109 |
| article html file updated | 24 September 2019 18:55 CEST | Update | - |
| article html file updated | 3 May 2019 22:24 CEST | Update | - |
| article html file updated | 2 June 2017 04:27 CEST | Update | - |
| article html file updated | 23 May 2017 04:05 CEST | Update | - |
| article html file updated | 12 May 2017 11:28 CEST | Original file | - |
| article xml uploaded. | 12 May 2017 11:26 CEST | Original file | https://www.mdpi.com/1424-8220/17/5/1109/xml |
| article pdf uploaded. | 12 May 2017 11:26 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/5/1109/pdf |
