| article html file updated | 8 February 2020 03:37 CET | Update | https://www.mdpi.com/2073-4344/7/4/115 |
| article html file updated | 24 September 2019 07:56 CEST | Update | - |
| article html file updated | 4 May 2019 02:09 CEST | Update | - |
| article html file updated | 28 April 2017 05:35 CEST | Update | - |
| article html file updated | 14 April 2017 13:16 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 13:15 CEST | Original file | https://www.mdpi.com/2073-4344/7/4/115/xml |
| article pdf uploaded. | 14 April 2017 13:15 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/4/115/pdf |
