| article html file updated | 8 February 2020 01:31 CET | Update | https://www.mdpi.com/2073-4360/9/3/106 |
| article html file updated | 23 September 2019 20:07 CEST | Update | - |
| article html file updated | 4 May 2019 06:36 CEST | Update | - |
| article html file updated | 20 March 2019 06:14 CET | Update | - |
| article html file updated | 29 March 2017 05:50 CEST | Update | - |
| article html file updated | 15 March 2017 12:09 CET | Original file | - |
| article xml uploaded. | 15 March 2017 12:08 CET | Update | https://www.mdpi.com/2073-4360/9/3/106/xml |
| article pdf uploaded. | 15 March 2017 12:08 CET | Version of Record | https://www.mdpi.com/2073-4360/9/3/106/pdf |
