| article html file updated | 7 February 2020 03:28 CET | Update | https://www.mdpi.com/1424-8220/16/1/104 |
| article html file updated | 6 May 2019 02:30 CEST | Update | N/A |
| article html file updated | 26 March 2019 18:33 CET | Original file | N/A |
| article pdf uploaded. | 15 January 2016 10:36 CET | Version of Record | https://www.mdpi.com/1424-8220/16/1/104/pdf |
| article xml uploaded. | 15 January 2016 10:36 CET | Original file | https://www.mdpi.com/1424-8220/16/1/104/xml |
