| article html file updated | 7 February 2020 20:37 CET | Update | https://www.mdpi.com/2073-4441/9/1/8 |
| article html file updated | 4 May 2019 17:09 CEST | Update | N/A |
| article html file updated | 7 February 2017 04:21 CET | Update | N/A |
| article html file updated | 4 January 2017 11:40 CET | Update | N/A |
| article xml uploaded. | 4 January 2017 11:39 CET | Update | https://www.mdpi.com/2073-4441/9/1/8/xml |
| article pdf uploaded. | 4 January 2017 11:38 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/1/8/pdf |
| article html file updated | 1 January 2017 03:49 CET | Original file | N/A |
| article pdf uploaded. | 1 January 2017 03:48 CET | Version of Record | https://www.mdpi.com/2073-4441/9/1/8/pdf-vor |
