| article html file updated | 7 February 2020 10:31 CET | Update | https://www.mdpi.com/1424-8220/16/6/922 |
| article html file updated | 5 May 2019 12:16 CEST | Update | - |
| article html file updated | 27 March 2019 08:06 CET | Update | - |
| article html file updated | 29 June 2016 11:09 CEST | Update | - |
| article html file updated | 21 June 2016 13:27 CEST | Original file | - |
| article xml uploaded. | 21 June 2016 13:25 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/922/xml |
| article pdf uploaded. | 21 June 2016 13:25 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/922/pdf |
