| article html file updated | 7 February 2020 03:58 CET | Update | https://www.mdpi.com/2071-1050/8/2/116 |
| article html file updated | 6 May 2019 01:33 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:32 CET | Original file | N/A |
| article pdf uploaded. | 28 January 2016 14:09 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/2/116/pdf |
| article xml uploaded. | 28 January 2016 14:09 CET | Update | https://www.mdpi.com/2071-1050/8/2/116/xml |
| article pdf uploaded. | 27 January 2016 12:41 CET | Version of Record | https://www.mdpi.com/2071-1050/8/2/116/pdf-vor |
| article xml uploaded. | 27 January 2016 12:41 CET | Original file | N/A |
