| article html file updated | 7 February 2020 04:43 CET | Update | https://www.mdpi.com/1660-4601/13/2/228 |
| article html file updated | 21 September 2019 11:32 CEST | Update | - |
| article html file updated | 5 May 2019 23:59 CEST | Update | - |
| article html file updated | 26 March 2019 21:02 CET | Original file | - |
| article pdf uploaded. | 19 February 2016 11:25 CET | Updated version of record | https://www.mdpi.com/1660-4601/13/2/228/pdf |
| article xml uploaded. | 19 February 2016 11:25 CET | Update | https://www.mdpi.com/1660-4601/13/2/228/xml |
| article pdf uploaded. | 18 February 2016 11:56 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/228/pdf-vor |
| article xml uploaded. | 18 February 2016 11:56 CET | Original file | - |
