| article html file updated | 7 February 2020 17:18 CET | Update | https://www.mdpi.com/2220-9964/5/11/199 |
| article html file updated | 4 May 2019 23:52 CEST | Update | - |
| article html file updated | 1 December 2016 22:42 CET | Update | - |
| article html file updated | 1 November 2016 04:05 CET | Original file | - |
| article xml uploaded. | 1 November 2016 04:04 CET | Original file | https://www.mdpi.com/2220-9964/5/11/199/xml |
| article pdf uploaded. | 1 November 2016 04:03 CET | Version of Record | https://www.mdpi.com/2220-9964/5/11/199/pdf |
