| article html file updated | 8 February 2020 20:07 CET | Update | https://www.mdpi.com/2220-9964/6/11/335 |
| article html file updated | 28 September 2019 04:20 CEST | Update | - |
| article html file updated | 2 May 2019 17:27 CEST | Update | - |
| article html file updated | 30 November 2017 09:27 CET | Update | - |
| article html file updated | 2 November 2017 06:53 CET | Original file | - |
| article xml uploaded. | 2 November 2017 06:52 CET | Update | https://www.mdpi.com/2220-9964/6/11/335/xml |
| article xml uploaded. | 2 November 2017 06:52 CET | Original file | - |
| article pdf uploaded. | 2 November 2017 06:52 CET | Version of Record | https://www.mdpi.com/2220-9964/6/11/335/pdf |
