| article html file updated | 8 February 2020 12:43 CET | Update | https://www.mdpi.com/2220-9964/6/8/232 |
| article html file updated | 26 September 2019 08:20 CEST | Update | - |
| article html file updated | 3 May 2019 08:36 CEST | Update | - |
| article html file updated | 27 March 2019 19:07 CET | Update | - |
| article html file updated | 1 September 2017 07:14 CEST | Update | - |
| article html file updated | 4 August 2017 13:56 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 13:54 CEST | Original file | https://www.mdpi.com/2220-9964/6/8/232/xml |
| article pdf uploaded. | 4 August 2017 13:54 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/8/232/pdf |
| article pdf uploaded. | 3 August 2017 15:08 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/8/232/pdf-vor |
