| article html file updated | 8 February 2020 04:28 CET | Update | https://www.mdpi.com/2073-8994/9/5/63 |
| article html file updated | 24 September 2019 12:40 CEST | Update | - |
| article html file updated | 4 May 2019 00:36 CEST | Update | - |
| article html file updated | 31 May 2017 07:56 CEST | Update | - |
| article html file updated | 26 April 2017 16:07 CEST | Original file | - |
| article xml uploaded. | 26 April 2017 16:05 CEST | Original file | https://www.mdpi.com/2073-8994/9/5/63/xml |
| article pdf uploaded. | 26 April 2017 16:05 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/5/63/pdf |
