| article html file updated | 9 February 2020 05:58 CET | Update | https://www.mdpi.com/2076-0787/7/1/16 |
| article html file updated | 1 May 2019 19:57 CEST | Update | - |
| article html file updated | 17 April 2019 19:03 CEST | Update | - |
| article html file updated | 28 March 2019 21:54 CET | Update | - |
| article html file updated | 8 February 2018 16:42 CET | Original file | - |
| article xml uploaded. | 8 February 2018 16:41 CET | Original file | https://www.mdpi.com/2076-0787/7/1/16/xml |
| article pdf uploaded. | 8 February 2018 16:41 CET | Version of Record | https://www.mdpi.com/2076-0787/7/1/16/pdf |
