| article html file updated | 9 February 2020 02:42 CET | Update | https://www.mdpi.com/2220-9964/7/1/19 |
| article html file updated | 29 September 2019 20:02 CEST | Update | - |
| article html file updated | 2 May 2019 02:58 CEST | Update | - |
| article html file updated | 18 April 2019 01:09 CEST | Update | - |
| article html file updated | 28 March 2019 14:44 CET | Update | - |
| article html file updated | 1 February 2018 10:23 CET | Update | - |
| article html file updated | 11 January 2018 16:05 CET | Original file | - |
| article xml uploaded. | 11 January 2018 16:04 CET | Original file | https://www.mdpi.com/2220-9964/7/1/19/xml |
| article pdf uploaded. | 11 January 2018 16:04 CET | Version of Record | https://www.mdpi.com/2220-9964/7/1/19/pdf |
