| article html file updated | 9 February 2020 07:12 CET | Update | https://www.mdpi.com/2071-1050/10/2/551 |
| article html file updated | 30 September 2019 22:36 CEST | Update | - |
| article html file updated | 1 May 2019 17:15 CEST | Update | - |
| article html file updated | 17 April 2019 16:37 CEST | Update | - |
| article html file updated | 29 March 2019 00:30 CET | Update | - |
| article html file updated | 15 March 2018 10:08 CET | Update | - |
| article html file updated | 14 March 2018 12:18 CET | Update | - |
| article html file updated | 23 February 2018 09:10 CET | Original file | - |
| article xml uploaded. | 23 February 2018 09:09 CET | Original file | https://www.mdpi.com/2071-1050/10/2/551/xml |
| article pdf uploaded. | 23 February 2018 09:09 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/551/pdf |
| article pdf uploaded. | 21 February 2018 16:32 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/551/pdf-vor |
| article pdf uploaded. | 21 February 2018 16:30 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/551/pdf-vor |
