| article html file updated | 7 February 2020 19:53 CET | Update | https://www.mdpi.com/2071-1050/8/12/1337 |
| article html file updated | 22 September 2019 12:54 CEST | Update | - |
| article html file updated | 4 May 2019 18:40 CEST | Update | - |
| article html file updated | 28 December 2016 08:23 CET | Update | - |
| article html file updated | 19 December 2016 11:47 CET | Original file | - |
| article xml uploaded. | 19 December 2016 11:46 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1337/xml |
| article pdf uploaded. | 19 December 2016 11:46 CET | Updated version of record | https://www.mdpi.com/2071-1050/8/12/1337/pdf |
| article pdf uploaded. | 18 December 2016 05:16 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1337/pdf-vor |
