| article html file updated | 7 February 2020 21:21 CET | Update | https://www.mdpi.com/2073-4441/9/1/46 |
| article html file updated | 22 September 2019 20:47 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:32 CEST | Update | N/A |
| article html file updated | 7 February 2017 04:32 CET | Update | N/A |
| article html file updated | 12 January 2017 13:16 CET | Original file | N/A |
| article xml uploaded. | 12 January 2017 13:15 CET | Original file | https://www.mdpi.com/2073-4441/9/1/46/xml |
| article pdf uploaded. | 12 January 2017 13:15 CET | Version of Record | https://www.mdpi.com/2073-4441/9/1/46/pdf |
