| article html file updated | 8 February 2020 01:59 CET | Update | https://www.mdpi.com/2073-4360/9/3/111 |
| article html file updated | 23 September 2019 22:52 CEST | Update | - |
| article html file updated | 4 May 2019 05:35 CEST | Update | - |
| article html file updated | 20 March 2019 06:26 CET | Update | - |
| article html file updated | 29 March 2017 05:51 CEST | Update | - |
| article html file updated | 27 March 2017 05:24 CEST | Update | - |
| article html file updated | 24 March 2017 07:05 CET | Update | - |
| article html file updated | 22 March 2017 12:20 CET | Original file | - |
| article xml uploaded. | 22 March 2017 12:19 CET | Original file | https://www.mdpi.com/2073-4360/9/3/111/xml |
| article pdf uploaded. | 22 March 2017 12:19 CET | Version of Record | https://www.mdpi.com/2073-4360/9/3/111/pdf |
