| article html file updated | 8 February 2020 02:08 CET | Update | https://www.mdpi.com/2073-4360/9/4/116 |
| article html file updated | 23 September 2019 23:41 CEST | Update | - |
| article html file updated | 4 May 2019 05:16 CEST | Update | - |
| article html file updated | 18 March 2019 05:30 CET | Update | - |
| article html file updated | 28 April 2017 10:34 CEST | Update | - |
| article html file updated | 27 March 2017 05:29 CEST | Update | - |
| article html file updated | 24 March 2017 22:28 CET | Update | - |
| article html file updated | 24 March 2017 11:33 CET | Original file | - |
| article xml uploaded. | 24 March 2017 11:32 CET | Update | https://www.mdpi.com/2073-4360/9/4/116/xml |
| article pdf uploaded. | 24 March 2017 11:32 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/4/116/pdf |
| article pdf uploaded. | 23 March 2017 14:22 CET | Version of Record | https://www.mdpi.com/2073-4360/9/4/116/pdf-vor |
