| article html file updated | 9 February 2020 01:54 CET | Update | https://www.mdpi.com/1996-1073/11/1/112 |
| article html file updated | 29 September 2019 15:47 CEST | Update | - |
| article html file updated | 2 May 2019 04:37 CEST | Update | - |
| article html file updated | 18 April 2019 02:41 CEST | Update | - |
| article html file updated | 28 March 2019 12:53 CET | Update | - |
| article html file updated | 1 February 2018 12:38 CET | Update | - |
| article html file updated | 3 January 2018 14:58 CET | Original file | - |
| article xml uploaded. | 3 January 2018 14:56 CET | Update | https://www.mdpi.com/1996-1073/11/1/112/xml |
| article pdf uploaded. | 3 January 2018 14:56 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/112/pdf |
