| article html file updated | 7 February 2020 23:26 CET | Update | https://www.mdpi.com/2306-5338/4/1/11 |
| article html file updated | 23 September 2019 08:09 CEST | Update | - |
| article html file updated | 4 May 2019 11:10 CEST | Update | - |
| article html file updated | 15 February 2017 10:24 CET | Original file | - |
| article xml uploaded. | 15 February 2017 10:23 CET | Original file | https://www.mdpi.com/2306-5338/4/1/11/xml |
| article pdf uploaded. | 15 February 2017 10:23 CET | Version of Record | https://www.mdpi.com/2306-5338/4/1/11/pdf |
