| article html file updated | 9 February 2020 06:59 CET | Update | https://www.mdpi.com/2071-1050/10/2/539 |
| article html file updated | 30 September 2019 21:20 CEST | Update | - |
| article html file updated | 1 May 2019 17:42 CEST | Update | - |
| article html file updated | 17 April 2019 17:03 CEST | Update | - |
| article html file updated | 29 March 2019 00:03 CET | Update | - |
| article html file updated | 15 March 2018 10:06 CET | Update | - |
| article html file updated | 14 March 2018 12:17 CET | Update | - |
| article html file updated | 24 February 2018 04:36 CET | Original file | - |
| article xml uploaded. | 24 February 2018 04:35 CET | Original file | https://www.mdpi.com/2071-1050/10/2/539/xml |
| article pdf uploaded. | 24 February 2018 04:35 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/539/pdf |
| article pdf uploaded. | 17 February 2018 10:36 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/539/pdf-vor |
| article pdf uploaded. | 17 February 2018 10:30 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/539/pdf-vor |
