| article html file updated | 7 February 2020 20:56 CET | Update | https://www.mdpi.com/2073-4441/9/1/27 |
| article html file updated | 22 September 2019 18:39 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:29 CEST | Update | N/A |
| article html file updated | 7 February 2017 04:28 CET | Update | N/A |
| article html file updated | 6 January 2017 13:25 CET | Original file | N/A |
| article xml uploaded. | 6 January 2017 13:24 CET | Original file | https://www.mdpi.com/2073-4441/9/1/27/xml |
| article pdf uploaded. | 6 January 2017 13:24 CET | Version of Record | https://www.mdpi.com/2073-4441/9/1/27/pdf |
