| article html file updated | 8 February 2020 00:10 CET | Update | https://www.mdpi.com/1424-8220/17/3/456 |
| article html file updated | 23 September 2019 12:19 CEST | Update | - |
| article html file updated | 4 May 2019 09:39 CEST | Update | - |
| article html file updated | 31 March 2017 09:50 CEST | Update | - |
| article html file updated | 24 February 2017 10:03 CET | Original file | - |
| article xml uploaded. | 24 February 2017 10:02 CET | Original file | https://www.mdpi.com/1424-8220/17/3/456/xml |
| article pdf uploaded. | 24 February 2017 10:02 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/456/pdf |
