| article html file updated | 7 February 2020 23:46 CET | Update | https://www.mdpi.com/2071-1050/9/2/310 |
| article html file updated | 23 September 2019 10:04 CEST | Update | - |
| article html file updated | 4 May 2019 10:30 CEST | Update | - |
| article html file updated | 1 March 2017 10:44 CET | Update | - |
| article html file updated | 22 February 2017 10:32 CET | Update | - |
| article xml uploaded. | 22 February 2017 10:31 CET | Update | https://www.mdpi.com/2071-1050/9/2/310/xml |
| article pdf uploaded. | 22 February 2017 10:31 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/2/310/pdf |
| article html file updated | 21 February 2017 11:18 CET | Original file | - |
| article xml uploaded. | 21 February 2017 11:17 CET | Original file | - |
| article pdf uploaded. | 21 February 2017 11:17 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/2/310/pdf-vor |
| article pdf uploaded. | 20 February 2017 09:27 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/310/pdf-vor |