| article html file updated | 7 February 2020 03:57 CET | Update | https://www.mdpi.com/1422-0067/17/2/163 |
| article html file updated | 6 May 2019 01:36 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:29 CET | Original file | N/A |
| article pdf uploaded. | 27 January 2016 10:48 CET | Version of Record | https://www.mdpi.com/1422-0067/17/2/163/pdf |
| article xml uploaded. | 27 January 2016 10:48 CET | Original file | https://www.mdpi.com/1422-0067/17/2/163/xml |
