| article html file updated | 7 February 2020 04:31 CET | Update | https://www.mdpi.com/1422-0067/17/2/143 |
| article html file updated | 6 May 2019 00:27 CEST | Update | - |
| article html file updated | 26 March 2019 20:38 CET | Original file | - |
| article pdf uploaded. | 14 February 2016 08:02 CET | Version of Record | https://www.mdpi.com/1422-0067/17/2/143/pdf |
| article xml uploaded. | 14 February 2016 08:02 CET | Original file | https://www.mdpi.com/1422-0067/17/2/143/xml |
