| article html file updated | 7 February 2020 03:22 CET | Update | https://www.mdpi.com/1422-0067/17/1/97 |
| article html file updated | 6 May 2019 02:41 CEST | Update | - |
| article html file updated | 26 March 2019 18:20 CET | Original file | - |
| article pdf uploaded. | 13 January 2016 10:40 CET | Version of Record | https://www.mdpi.com/1422-0067/17/1/97/pdf |
| article xml uploaded. | 13 January 2016 10:40 CET | Original file | https://www.mdpi.com/1422-0067/17/1/97/xml |
