| article html file updated | 8 February 2020 00:41 CET | Update | https://www.mdpi.com/2079-6412/7/3/39 |
| article html file updated | 23 September 2019 15:17 CEST | Update | - |
| article html file updated | 4 May 2019 08:28 CEST | Update | - |
| article html file updated | 28 March 2017 09:01 CEST | Update | - |
| article html file updated | 3 March 2017 11:45 CET | Original file | - |
| article xml uploaded. | 3 March 2017 11:44 CET | Update | https://www.mdpi.com/2079-6412/7/3/39/xml |
| article pdf uploaded. | 3 March 2017 11:43 CET | Version of Record | https://www.mdpi.com/2079-6412/7/3/39/pdf |
