| article html file updated | 8 February 2020 12:56 CET | Update | https://www.mdpi.com/2220-9964/6/8/239 |
| article html file updated | 26 September 2019 09:38 CEST | Update | - |
| article html file updated | 3 May 2019 08:09 CEST | Update | - |
| article html file updated | 27 March 2019 19:35 CET | Update | - |
| article html file updated | 1 September 2017 07:15 CEST | Update | - |
| article html file updated | 6 August 2017 11:38 CEST | Original file | - |
| article xml uploaded. | 6 August 2017 11:36 CEST | Update | https://www.mdpi.com/2220-9964/6/8/239/xml |
| article pdf uploaded. | 6 August 2017 11:36 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/8/239/pdf |
