| article html file updated | 7 February 2020 04:09 CET | Update | https://www.mdpi.com/1422-0067/17/2/193 |
| article html file updated | 21 September 2019 10:48 CEST | Update | - |
| article html file updated | 6 May 2019 01:14 CEST | Update | - |
| article html file updated | 26 March 2019 19:50 CET | Original file | - |
| article pdf uploaded. | 1 February 2016 11:37 CET | Version of Record | https://www.mdpi.com/1422-0067/17/2/193/pdf |
| article xml uploaded. | 1 February 2016 11:37 CET | Original file | https://www.mdpi.com/1422-0067/17/2/193/xml |
