| article html file updated | 8 February 2020 12:56 CET | Update | https://www.mdpi.com/2220-9964/6/8/238 |
| article html file updated | 26 September 2019 09:34 CEST | Update | - |
| article html file updated | 3 May 2019 08:10 CEST | Update | - |
| article html file updated | 27 March 2019 19:34 CET | Update | - |
| article html file updated | 1 September 2017 07:15 CEST | Update | - |
| article html file updated | 6 August 2017 10:51 CEST | Original file | - |
| article xml uploaded. | 6 August 2017 10:49 CEST | Original file | https://www.mdpi.com/2220-9964/6/8/238/xml |
| article pdf uploaded. | 6 August 2017 10:49 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/8/238/pdf |
