| article html file updated | 9 February 2020 01:08 CET | Update | https://www.mdpi.com/2073-4360/10/1/23 |
| article html file updated | 29 September 2019 11:17 CEST | Update | - |
| article html file updated | 2 May 2019 06:17 CEST | Update | - |
| article html file updated | 18 April 2019 04:15 CEST | Update | - |
| article html file updated | 28 March 2019 10:59 CET | Update | - |
| article html file updated | 6 February 2018 07:39 CET | Update | - |
| article html file updated | 1 February 2018 09:30 CET | Update | - |
| article html file updated | 25 December 2017 08:53 CET | Original file | - |
| article xml uploaded. | 25 December 2017 08:52 CET | Original file | https://www.mdpi.com/2073-4360/10/1/23/xml |
| article pdf uploaded. | 25 December 2017 08:52 CET | Version of Record | https://www.mdpi.com/2073-4360/10/1/23/pdf |
