| article html file updated | 8 February 2020 00:09 CET | Update | https://www.mdpi.com/1424-8220/17/3/451 |
| article html file updated | 23 September 2019 12:17 CEST | Update | - |
| article html file updated | 4 May 2019 09:40 CEST | Update | - |
| article html file updated | 31 March 2017 09:49 CEST | Update | - |
| article html file updated | 24 February 2017 09:31 CET | Original file | - |
| article xml uploaded. | 24 February 2017 09:30 CET | Original file | https://www.mdpi.com/1424-8220/17/3/451/xml |
| article pdf uploaded. | 24 February 2017 09:30 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/451/pdf |
