| article html file updated | 7 February 2020 05:28 CET | Update | https://www.mdpi.com/1422-0067/17/3/340 |
| article html file updated | 5 May 2019 22:22 CEST | Update | N/A |
| article html file updated | 26 March 2019 22:38 CET | Update | N/A |
| article html file updated | 30 March 2016 12:01 CEST | Original file | N/A |
| article pdf uploaded. | 4 March 2016 10:44 CET | Version of Record | https://www.mdpi.com/1422-0067/17/3/340/pdf |
| article xml uploaded. | 4 March 2016 10:44 CET | Original file | https://www.mdpi.com/1422-0067/17/3/340/xml |
