| article html file updated | 8 February 2020 22:47 CET | Update | https://www.mdpi.com/2220-9964/6/12/394 |
| article html file updated | 28 September 2019 21:34 CEST | Update | - |
| article html file updated | 2 May 2019 11:26 CEST | Update | - |
| article html file updated | 18 April 2019 09:04 CEST | Update | - |
| article html file updated | 2 January 2018 18:43 CET | Update | - |
| article html file updated | 1 December 2017 12:55 CET | Original file | - |
| article xml uploaded. | 1 December 2017 12:54 CET | Update | https://www.mdpi.com/2220-9964/6/12/394/xml |
| article xml uploaded. | 1 December 2017 12:54 CET | Original file | - |
| article pdf uploaded. | 1 December 2017 12:54 CET | Version of Record | https://www.mdpi.com/2220-9964/6/12/394/pdf |
