| article html file updated | 8 February 2020 00:59 CET | Update | https://www.mdpi.com/1424-8220/17/3/534 |
| article html file updated | 23 September 2019 17:11 CEST | Update | - |
| article html file updated | 4 May 2019 07:44 CEST | Update | - |
| article html file updated | 31 March 2017 10:05 CEST | Update | - |
| article html file updated | 8 March 2017 08:51 CET | Original file | - |
| article xml uploaded. | 8 March 2017 08:50 CET | Original file | https://www.mdpi.com/1424-8220/17/3/534/xml |
| article pdf uploaded. | 8 March 2017 08:50 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/534/pdf |
