| article html file updated | 8 February 2020 02:08 CET | Update | https://www.mdpi.com/2073-4425/8/4/106 |
| article html file updated | 23 September 2019 23:42 CEST | Update | - |
| article html file updated | 4 May 2019 05:16 CEST | Update | - |
| article html file updated | 28 April 2017 06:47 CEST | Update | - |
| article html file updated | 27 March 2017 05:30 CEST | Update | - |
| article html file updated | 23 March 2017 14:43 CET | Original file | - |
| article xml uploaded. | 23 March 2017 14:42 CET | Update | https://www.mdpi.com/2073-4425/8/4/106/xml |
| article pdf uploaded. | 23 March 2017 14:42 CET | Version of Record | https://www.mdpi.com/2073-4425/8/4/106/pdf |
