| article html file updated | 7 February 2020 06:48 CET | Update | https://www.mdpi.com/1424-8220/16/4/474 |
| article html file updated | 5 May 2019 19:37 CEST | Update | - |
| article html file updated | 27 March 2019 01:00 CET | Update | - |
| article html file updated | 29 April 2016 04:31 CEST | Update | - |
| article html file updated | 11 April 2016 11:56 CEST | Update | - |
| article xml uploaded. | 11 April 2016 11:54 CEST | Update | https://www.mdpi.com/1424-8220/16/4/474/xml |
| article pdf uploaded. | 11 April 2016 11:54 CEST | Updated version of record | https://www.mdpi.com/1424-8220/16/4/474/pdf |
| article html file updated | 2 April 2016 13:34 CEST | Original file | - |
| article pdf uploaded. | 2 April 2016 13:32 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/474/pdf-vor |
