| article html file updated | 7 February 2020 22:27 CET | Update | https://www.mdpi.com/1424-8220/17/2/255 |
| article html file updated | 23 September 2019 02:45 CEST | Update | - |
| article html file updated | 4 May 2019 13:10 CEST | Update | - |
| article html file updated | 2 March 2017 11:10 CET | Update | - |
| article html file updated | 6 February 2017 12:43 CET | Original file | - |
| article xml uploaded. | 6 February 2017 12:42 CET | Update | https://www.mdpi.com/1424-8220/17/2/255/xml |
| article xml uploaded. | 6 February 2017 12:42 CET | Original file | - |
| article pdf uploaded. | 6 February 2017 12:42 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/255/pdf |
| article pdf uploaded. | 29 January 2017 04:16 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/255/pdf-vor |
