| article html file updated | 8 February 2020 00:55 CET | Update | https://www.mdpi.com/2071-1050/9/3/389 |
| article html file updated | 23 September 2019 16:45 CEST | Update | - |
| article html file updated | 4 May 2019 07:53 CEST | Update | - |
| article html file updated | 28 March 2017 06:08 CEST | Update | - |
| article html file updated | 8 March 2017 10:55 CET | Original file | - |
| article xml uploaded. | 8 March 2017 10:54 CET | Original file | https://www.mdpi.com/2071-1050/9/3/389/xml |
| article pdf uploaded. | 8 March 2017 10:54 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/3/389/pdf |
| article pdf uploaded. | 7 March 2017 12:07 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/389/pdf-vor |
