| article html file updated | 7 February 2020 23:31 CET | Update | https://www.mdpi.com/1422-0067/18/2/425 |
| article html file updated | 23 September 2019 08:38 CEST | Update | - |
| article html file updated | 4 May 2019 11:00 CEST | Update | - |
| article html file updated | 2 March 2017 10:13 CET | Update | - |
| article html file updated | 16 February 2017 09:08 CET | Original file | - |
| article xml uploaded. | 16 February 2017 09:06 CET | Original file | https://www.mdpi.com/1422-0067/18/2/425/xml |
| article pdf uploaded. | 16 February 2017 09:06 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/425/pdf |
