| article html file updated | 7 February 2020 10:35 CET | Update | https://www.mdpi.com/1424-8220/16/6/933 |
| article html file updated | 5 May 2019 12:08 CEST | Update | - |
| article html file updated | 27 March 2019 08:14 CET | Update | - |
| article html file updated | 29 June 2016 11:11 CEST | Update | - |
| article html file updated | 22 June 2016 14:24 CEST | Original file | - |
| article xml uploaded. | 22 June 2016 14:22 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/933/xml |
| article pdf uploaded. | 22 June 2016 14:22 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/933/pdf |
