| article html file updated | 9 February 2020 02:47 CET | Update | https://www.mdpi.com/2223-7747/7/1/5 |
| article html file updated | 2 May 2019 02:48 CEST | Update | - |
| article html file updated | 18 April 2019 01:00 CEST | Update | - |
| article html file updated | 28 March 2019 14:56 CET | Update | - |
| article html file updated | 27 March 2018 14:54 CEST | Update | - |
| article pdf uploaded. | 12 January 2018 11:34 CET | Updated version of record | https://www.mdpi.com/2223-7747/7/1/5/pdf |
| article html file updated | 12 January 2018 06:53 CET | Original file | - |
| article xml uploaded. | 12 January 2018 06:52 CET | Original file | https://www.mdpi.com/2223-7747/7/1/5/xml |
| article pdf uploaded. | 12 January 2018 06:52 CET | Version of Record | https://www.mdpi.com/2223-7747/7/1/5/pdf-vor |
