| article html file updated | 8 February 2020 04:28 CET | Update | https://www.mdpi.com/2079-6412/7/5/57 |
| article html file updated | 24 September 2019 12:44 CEST | Update | - |
| article html file updated | 4 May 2019 00:35 CEST | Update | - |
| article html file updated | 31 May 2017 06:38 CEST | Update | - |
| article html file updated | 27 April 2017 08:22 CEST | Original file | - |
| article xml uploaded. | 27 April 2017 08:21 CEST | Original file | https://www.mdpi.com/2079-6412/7/5/57/xml |
| article pdf uploaded. | 27 April 2017 08:21 CEST | Version of Record | https://www.mdpi.com/2079-6412/7/5/57/pdf |
