| article html file updated | 7 February 2020 03:03 CET | Update | https://www.mdpi.com/1422-0067/17/1/62 |
| article html file updated | 6 May 2019 03:18 CEST | Update | - |
| article html file updated | 26 March 2019 17:45 CET | Original file | - |
| article pdf uploaded. | 5 January 2016 15:36 CET | Version of Record | https://www.mdpi.com/1422-0067/17/1/62/pdf |
| article xml uploaded. | 5 January 2016 15:36 CET | Original file | https://www.mdpi.com/1422-0067/17/1/62/xml |
