| article html file updated | 8 February 2020 18:39 CET | Update | https://www.mdpi.com/2220-9964/6/10/306 |
| article html file updated | 27 September 2019 19:36 CEST | Update | - |
| article html file updated | 2 May 2019 20:50 CEST | Update | - |
| article html file updated | 1 November 2017 02:32 CET | Update | - |
| article html file updated | 17 October 2017 11:25 CEST | Original file | - |
| article xml uploaded. | 17 October 2017 11:23 CEST | Update | https://www.mdpi.com/2220-9964/6/10/306/xml |
| article xml uploaded. | 17 October 2017 11:23 CEST | Original file | - |
| article pdf uploaded. | 17 October 2017 11:23 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/10/306/pdf |
