| article html file updated | 7 February 2020 23:38 CET | Update | https://www.mdpi.com/1422-0067/18/2/437 |
| article html file updated | 23 September 2019 09:15 CEST | Update | - |
| article html file updated | 4 May 2019 10:48 CEST | Update | - |
| article html file updated | 2 March 2017 10:15 CET | Update | - |
| article html file updated | 20 February 2017 03:39 CET | Original file | - |
| article xml uploaded. | 20 February 2017 03:38 CET | Update | https://www.mdpi.com/1422-0067/18/2/437/xml |
| article pdf uploaded. | 20 February 2017 03:38 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/2/437/pdf |
| article xml uploaded. | 17 February 2017 11:53 CET | Update | - |
| article xml uploaded. | 17 February 2017 11:53 CET | Original file | - |
| article pdf uploaded. | 17 February 2017 11:53 CET | Version of Record | - |
