| article html file updated | 7 February 2020 23:29 CET | Update | https://www.mdpi.com/1422-0067/18/2/423 |
| article html file updated | 23 September 2019 08:30 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:03 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:13 CET | Update | N/A |
| article html file updated | 15 February 2017 14:30 CET | Original file | N/A |
| article xml uploaded. | 15 February 2017 14:29 CET | Original file | https://www.mdpi.com/1422-0067/18/2/423/xml |
| article pdf uploaded. | 15 February 2017 14:29 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/423/pdf |
