| article html file updated | 7 February 2020 03:50 CET | Update | https://www.mdpi.com/1424-8220/16/2/151 |
| article html file updated | 6 May 2019 01:48 CEST | Update | - |
| article html file updated | 26 March 2019 19:16 CET | Original file | - |
| article pdf uploaded. | 25 January 2016 10:37 CET | Version of Record | https://www.mdpi.com/1424-8220/16/2/151/pdf |
| article xml uploaded. | 25 January 2016 10:37 CET | Original file | https://www.mdpi.com/1424-8220/16/2/151/xml |
