| article html file updated | 7 February 2020 21:50 CET | Update | https://www.mdpi.com/2079-6412/7/1/16 |
| article html file updated | 22 September 2019 23:24 CEST | Update | - |
| article html file updated | 4 May 2019 14:23 CEST | Update | - |
| article html file updated | 7 February 2017 04:40 CET | Update | - |
| article html file updated | 19 January 2017 14:46 CET | Original file | - |
| article xml uploaded. | 19 January 2017 14:44 CET | Original file | https://www.mdpi.com/2079-6412/7/1/16/xml |
| article pdf uploaded. | 19 January 2017 14:44 CET | Version of Record | https://www.mdpi.com/2079-6412/7/1/16/pdf |
