| article html file updated | 8 February 2020 07:10 CET | Update | https://www.mdpi.com/2071-1050/9/6/927 |
| article html file updated | 25 September 2019 02:44 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:32 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:36 CEST | Update | N/A |
| article html file updated | 2 June 2017 10:03 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2017 10:01 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/927/xml |
| article pdf uploaded. | 2 June 2017 10:01 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/927/pdf |
| article pdf uploaded. | 1 June 2017 11:44 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/927/pdf-vor |
