| article html file updated | 7 February 2020 23:41 CET | Update | https://www.mdpi.com/2218-0532/85/1/7 |
| article html file updated | 23 September 2019 09:31 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:42 CEST | Update | N/A |
| article html file updated | 31 March 2017 04:48 CEST | Update | N/A |
| article html file updated | 4 March 2017 13:46 CET | Original file | N/A |
| article xml uploaded. | 4 March 2017 13:45 CET | Original file | https://www.mdpi.com/2218-0532/85/1/7/xml |
| article pdf uploaded. | 4 March 2017 13:45 CET | Updated version of record | https://www.mdpi.com/2218-0532/85/1/7/pdf |
| article pdf uploaded. | 17 February 2017 15:04 CET | Version of Record | https://www.mdpi.com/2218-0532/85/1/7/pdf-vor |
