| article html file updated | 7 February 2020 23:25 CET | Update | https://www.mdpi.com/1422-0067/18/2/411 |
| article html file updated | 23 September 2019 08:05 CEST | Update | - |
| article html file updated | 4 May 2019 11:12 CEST | Update | - |
| article html file updated | 2 March 2017 10:12 CET | Update | - |
| article html file updated | 15 February 2017 09:34 CET | Original file | - |
| article xml uploaded. | 15 February 2017 09:32 CET | Original file | https://www.mdpi.com/1422-0067/18/2/411/xml |
| article pdf uploaded. | 15 February 2017 09:32 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/411/pdf |
