| article html file updated | 9 February 2020 00:50 CET | Update | https://www.mdpi.com/2073-4360/10/1/6 |
| article html file updated | 29 September 2019 09:42 CEST | Update | - |
| article html file updated | 2 May 2019 06:54 CEST | Update | - |
| article html file updated | 18 April 2019 04:48 CEST | Update | - |
| article html file updated | 28 March 2019 10:17 CET | Update | - |
| article html file updated | 6 February 2018 07:36 CET | Update | - |
| article html file updated | 1 February 2018 09:20 CET | Update | - |
| article html file updated | 22 December 2017 13:56 CET | Original file | - |
| article xml uploaded. | 22 December 2017 13:54 CET | Update | https://www.mdpi.com/2073-4360/10/1/6/xml |
| article pdf uploaded. | 22 December 2017 13:54 CET | Updated version of record | https://www.mdpi.com/2073-4360/10/1/6/pdf |
| article xml uploaded. | 22 December 2017 05:10 CET | Update | - |
| article xml uploaded. | 22 December 2017 05:10 CET | Original file | - |
| article pdf uploaded. | 22 December 2017 05:10 CET | Version of Record | - |
