| article html file updated | 8 February 2020 09:01 CET | Update | https://www.mdpi.com/2220-9964/6/7/188 |
| article html file updated | 25 September 2019 12:17 CEST | Update | - |
| article html file updated | 3 May 2019 16:04 CEST | Update | - |
| article html file updated | 31 July 2017 07:35 CEST | Update | - |
| article html file updated | 20 July 2017 11:08 CEST | Update | - |
| article html file updated | 20 July 2017 11:07 CEST | Update | - |
| article html file updated | 20 July 2017 11:06 CEST | Update | - |
| article xml uploaded. | 20 July 2017 11:04 CEST | Update | https://www.mdpi.com/2220-9964/6/7/188/xml |
| article pdf uploaded. | 20 July 2017 11:04 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/7/188/pdf |
| article html file updated | 22 June 2017 14:50 CEST | Original file | - |
| article pdf uploaded. | 22 June 2017 14:48 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/7/188/pdf-vor |
