| article html file updated | 7 February 2020 22:29 CET | Update | https://www.mdpi.com/2073-4441/9/2/83 |
| article html file updated | 23 September 2019 02:57 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:05 CEST | Update | N/A |
| article html file updated | 1 March 2017 07:57 CET | Update | N/A |
| article html file updated | 13 February 2017 11:46 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 11:44 CET | Original file | https://www.mdpi.com/2073-4441/9/2/83/xml |
| article pdf uploaded. | 13 February 2017 11:44 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/2/83/pdf |
| article pdf uploaded. | 30 January 2017 11:19 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/83/pdf-vor |
