| article html file updated | 7 February 2020 19:26 CET | Update | https://www.mdpi.com/2073-4360/8/12/431 |
| article html file updated | 22 September 2019 10:32 CEST | Update | - |
| article html file updated | 4 May 2019 19:36 CEST | Update | - |
| article html file updated | 15 March 2019 10:34 CET | Update | - |
| article html file updated | 28 December 2016 08:03 CET | Update | - |
| article html file updated | 23 December 2016 08:47 CET | Original file | - |
| article xml uploaded. | 23 December 2016 08:46 CET | Original file | https://www.mdpi.com/2073-4360/8/12/431/xml |
| article pdf uploaded. | 23 December 2016 08:46 CET | Updated version of record | https://www.mdpi.com/2073-4360/8/12/431/pdf |
| article pdf uploaded. | 10 December 2016 11:48 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/431/pdf-vor |
