| article html file updated | 7 February 2020 03:13 CET | Update | https://www.mdpi.com/1422-0067/17/1/72 |
| article html file updated | 6 May 2019 02:59 CEST | Update | - |
| article html file updated | 26 March 2019 18:02 CET | Original file | - |
| article pdf uploaded. | 8 January 2016 14:00 CET | Version of Record | https://www.mdpi.com/1422-0067/17/1/72/pdf |
| article xml uploaded. | 8 January 2016 14:00 CET | Original file | https://www.mdpi.com/1422-0067/17/1/72/xml |
