| article html file updated | 8 February 2020 04:39 CET | Update | https://www.mdpi.com/2073-8994/9/5/64 |
| article html file updated | 24 September 2019 13:40 CEST | Update | - |
| article html file updated | 4 May 2019 00:15 CEST | Update | - |
| article html file updated | 31 May 2017 07:56 CEST | Update | - |
| article html file updated | 3 May 2017 03:27 CEST | Update | - |
| article xml uploaded. | 3 May 2017 03:26 CEST | Update | https://www.mdpi.com/2073-8994/9/5/64/xml |
| article pdf uploaded. | 3 May 2017 03:26 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/5/64/pdf |
| article html file updated | 28 April 2017 15:13 CEST | Original file | - |
| article pdf uploaded. | 28 April 2017 15:11 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/5/64/pdf-vor |
