| article html file updated | 8 February 2020 07:16 CET | Update | https://www.mdpi.com/2076-2615/7/6/45 |
| article html file updated | 25 September 2019 03:11 CEST | Update | - |
| article html file updated | 3 May 2019 19:22 CEST | Update | - |
| article html file updated | 27 June 2017 09:24 CEST | Update | - |
| article html file updated | 2 June 2017 11:09 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 11:08 CEST | Original file | https://www.mdpi.com/2076-2615/7/6/45/xml |
| article pdf uploaded. | 2 June 2017 11:08 CEST | Version of Record | https://www.mdpi.com/2076-2615/7/6/45/pdf |
