| article html file updated | 8 February 2020 19:31 CET | Update | https://www.mdpi.com/2220-9964/6/11/321 |
| article html file updated | 28 September 2019 00:41 CEST | Update | - |
| article html file updated | 2 May 2019 18:51 CEST | Update | - |
| article html file updated | 30 November 2017 09:38 CET | Update | - |
| article html file updated | 26 October 2017 11:28 CEST | Original file | - |
| article xml uploaded. | 26 October 2017 11:27 CEST | Original file | https://www.mdpi.com/2220-9964/6/11/321/xml |
| article pdf uploaded. | 26 October 2017 11:27 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/11/321/pdf |
