| article html file updated | 8 February 2020 01:58 CET | Update | https://www.mdpi.com/2218-0532/85/1/15 |
| article html file updated | 23 September 2019 22:44 CEST | Update | - |
| article html file updated | 4 May 2019 05:37 CEST | Update | - |
| article html file updated | 31 March 2017 04:49 CEST | Update | - |
| article html file updated | 27 March 2017 05:23 CEST | Update | - |
| article html file updated | 24 March 2017 07:01 CET | Update | - |
| article html file updated | 23 March 2017 12:21 CET | Original file | - |
| article xml uploaded. | 23 March 2017 12:20 CET | Original file | https://www.mdpi.com/2218-0532/85/1/15/xml |
| article pdf uploaded. | 23 March 2017 12:20 CET | Updated version of record | https://www.mdpi.com/2218-0532/85/1/15/pdf |
| article pdf uploaded. | 22 March 2017 10:17 CET | Version of Record | https://www.mdpi.com/2218-0532/85/1/15/pdf-vor |
