| article html file updated | 7 February 2020 04:24 CET | Update | https://www.mdpi.com/1422-0067/17/2/224 |
| article html file updated | 6 May 2019 00:43 CEST | Update | - |
| article html file updated | 26 March 2019 20:23 CET | Original file | - |
| article pdf uploaded. | 15 February 2016 10:09 CET | Updated version of record | https://www.mdpi.com/1422-0067/17/2/224/pdf |
| article xml uploaded. | 15 February 2016 10:09 CET | Original file | https://www.mdpi.com/1422-0067/17/2/224/xml |
| article pdf uploaded. | 6 February 2016 08:24 CET | Version of Record | https://www.mdpi.com/1422-0067/17/2/224/pdf-vor |
