| article html file updated | 7 February 2020 23:52 CET | Update | https://www.mdpi.com/1422-0067/18/2/461 |
| article html file updated | 23 September 2019 10:37 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:18 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:18 CET | Update | N/A |
| article html file updated | 21 February 2017 09:11 CET | Original file | N/A |
| article xml uploaded. | 21 February 2017 09:10 CET | Original file | https://www.mdpi.com/1422-0067/18/2/461/xml |
| article pdf uploaded. | 21 February 2017 09:10 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/461/pdf |
