| article html file updated | 8 February 2020 12:07 CET | Update | https://www.mdpi.com/2220-9964/6/8/231 |
| article html file updated | 26 September 2019 04:44 CEST | Update | - |
| article html file updated | 3 May 2019 09:52 CEST | Update | - |
| article html file updated | 27 March 2019 17:53 CET | Update | - |
| article html file updated | 1 September 2017 07:14 CEST | Update | - |
| article html file updated | 28 July 2017 11:50 CEST | Original file | - |
| article xml uploaded. | 28 July 2017 11:23 CEST | Update | https://www.mdpi.com/2220-9964/6/8/231/xml |
| article pdf uploaded. | 28 July 2017 11:23 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/8/231/pdf |
| article pdf uploaded. | 27 July 2017 15:49 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/8/231/pdf-vor |
