| article html file updated | 7 February 2020 22:50 CET | Update | https://www.mdpi.com/1422-0067/18/2/349 |
| article html file updated | 23 September 2019 04:54 CEST | Update | - |
| article html file updated | 4 May 2019 12:21 CEST | Update | - |
| article html file updated | 2 March 2017 10:02 CET | Update | - |
| article html file updated | 8 February 2017 12:52 CET | Original file | - |
| article xml uploaded. | 8 February 2017 12:51 CET | Original file | https://www.mdpi.com/1422-0067/18/2/349/xml |
| article pdf uploaded. | 8 February 2017 12:51 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/349/pdf |
