| article html file updated | 8 February 2020 02:12 CET | Update | https://www.mdpi.com/1424-8220/17/4/676 |
| article html file updated | 24 September 2019 00:01 CEST | Update | - |
| article html file updated | 4 May 2019 05:08 CEST | Update | - |
| article html file updated | 29 April 2017 13:30 CEST | Update | - |
| article html file updated | 27 March 2017 05:32 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 04:46 CEST | Update | https://www.mdpi.com/1424-8220/17/4/676/xml |
| article pdf uploaded. | 27 March 2017 04:46 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/676/pdf |
| article pdf uploaded. | 24 March 2017 12:48 CET | Version of Record | https://www.mdpi.com/1424-8220/17/4/676/pdf-vor |
