| article html file updated | 7 February 2020 03:09 CET | Update | https://www.mdpi.com/2073-4441/8/1/16 |
| article html file updated | 6 May 2019 03:07 CEST | Update | - |
| article html file updated | 26 March 2019 17:54 CET | Original file | - |
| article pdf uploaded. | 7 January 2016 11:44 CET | Updated version of record | https://www.mdpi.com/2073-4441/8/1/16/pdf |
| article xml uploaded. | 7 January 2016 11:44 CET | Update | https://www.mdpi.com/2073-4441/8/1/16/xml |
| article pdf uploaded. | 6 January 2016 14:34 CET | Version of Record | https://www.mdpi.com/2073-4441/8/1/16/pdf-vor |
