| article html file updated | 7 February 2020 23:02 CET | Update | https://www.mdpi.com/1424-8220/17/2/331 |
| article html file updated | 23 September 2019 06:02 CEST | Update | - |
| article html file updated | 4 May 2019 11:57 CEST | Update | - |
| article html file updated | 2 March 2017 11:29 CET | Update | - |
| article html file updated | 13 February 2017 09:23 CET | Original file | - |
| article xml uploaded. | 13 February 2017 09:21 CET | Original file | https://www.mdpi.com/1424-8220/17/2/331/xml |
| article pdf uploaded. | 13 February 2017 09:21 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/331/pdf |
| article pdf uploaded. | 10 February 2017 06:54 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/331/pdf-vor |
