| article html file updated | 8 February 2020 10:09 CET | Update | https://www.mdpi.com/2073-4395/7/3/47 |
| article html file updated | 25 September 2019 18:24 CEST | Update | - |
| article html file updated | 3 May 2019 13:57 CEST | Update | - |
| article html file updated | 26 September 2017 12:58 CEST | Update | - |
| article html file updated | 7 July 2017 07:58 CEST | Original file | - |
| article xml uploaded. | 7 July 2017 07:57 CEST | Original file | https://www.mdpi.com/2073-4395/7/3/47/xml |
| article pdf uploaded. | 7 July 2017 07:57 CEST | Version of Record | https://www.mdpi.com/2073-4395/7/3/47/pdf |
