| article html file updated | 7 February 2020 22:21 CET | Update | https://www.mdpi.com/1424-8220/17/2/246 |
| article html file updated | 23 September 2019 02:15 CEST | Update | - |
| article html file updated | 4 May 2019 13:20 CEST | Update | - |
| article html file updated | 2 March 2017 11:07 CET | Update | - |
| article html file updated | 4 February 2017 03:36 CET | Original file | - |
| article xml uploaded. | 4 February 2017 03:34 CET | Update | https://www.mdpi.com/1424-8220/17/2/246/xml |
| article xml uploaded. | 4 February 2017 03:34 CET | Original file | - |
| article pdf uploaded. | 4 February 2017 03:34 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/246/pdf |
| article pdf uploaded. | 27 January 2017 15:49 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/246/pdf-vor |
