| article html file updated | 7 February 2020 21:53 CET | Update | https://www.mdpi.com/2071-1050/9/1/147 |
| article html file updated | 22 September 2019 23:43 CEST | Update | - |
| article html file updated | 4 May 2019 14:16 CEST | Update | - |
| article html file updated | 7 February 2017 10:22 CET | Update | - |
| article html file updated | 26 January 2017 11:38 CET | Update | - |
| article xml uploaded. | 26 January 2017 11:36 CET | Update | https://www.mdpi.com/2071-1050/9/1/147/xml |
| article pdf uploaded. | 26 January 2017 11:36 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/1/147/pdf |
| article html file updated | 20 January 2017 13:06 CET | Original file | - |
| article xml uploaded. | 20 January 2017 13:04 CET | Original file | - |
| article pdf uploaded. | 20 January 2017 13:04 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/147/pdf-vor |
