| article html file updated | 7 February 2020 03:34 CET | Update | https://www.mdpi.com/1422-0067/17/1/117 |
| article html file updated | 6 May 2019 02:18 CEST | Update | - |
| article html file updated | 26 March 2019 18:45 CET | Original file | - |
| article pdf uploaded. | 19 January 2016 07:48 CET | Version of Record | https://www.mdpi.com/1422-0067/17/1/117/pdf |
| article xml uploaded. | 19 January 2016 07:48 CET | Original file | https://www.mdpi.com/1422-0067/17/1/117/xml |
