| article html file updated | 8 February 2020 04:22 CET | Update | https://www.mdpi.com/2073-4441/9/5/302 |
| article html file updated | 24 September 2019 12:13 CEST | Update | - |
| article html file updated | 4 May 2019 00:46 CEST | Update | - |
| article html file updated | 1 June 2017 04:54 CEST | Update | - |
| article html file updated | 25 April 2017 16:28 CEST | Original file | - |
| article xml uploaded. | 25 April 2017 16:27 CEST | Update | https://www.mdpi.com/2073-4441/9/5/302/xml |
| article pdf uploaded. | 25 April 2017 16:27 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/302/pdf |
