| article html file updated | 7 February 2020 03:54 CET | Update | https://www.mdpi.com/1424-8220/16/2/158 |
| article html file updated | 6 May 2019 01:40 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:24 CET | Original file | N/A |
| article pdf uploaded. | 26 January 2016 11:47 CET | Version of Record | https://www.mdpi.com/1424-8220/16/2/158/pdf |
| article xml uploaded. | 26 January 2016 11:47 CET | Original file | https://www.mdpi.com/1424-8220/16/2/158/xml |
