| article html file updated | 7 February 2020 03:45 CET | Update | https://www.mdpi.com/1660-4601/13/2/151 |
| article html file updated | 6 May 2019 01:56 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:07 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2016 11:31 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/151/pdf |
| article xml uploaded. | 22 January 2016 11:31 CET | Original file | https://www.mdpi.com/1660-4601/13/2/151/xml |
