| article html file updated | 7 February 2020 04:21 CET | Update | https://www.mdpi.com/1422-0067/17/2/214 |
| article html file updated | 6 May 2019 00:49 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:17 CET | Original file | N/A |
| article pdf uploaded. | 5 February 2016 10:44 CET | Version of Record | https://www.mdpi.com/1422-0067/17/2/214/pdf |
| article xml uploaded. | 5 February 2016 10:44 CET | Original file | https://www.mdpi.com/1422-0067/17/2/214/xml |
