| article html file updated | 8 February 2020 16:57 CET | Update | https://www.mdpi.com/2073-4344/7/10/281 |
| article html file updated | 27 September 2019 07:50 CEST | Update | - |
| article html file updated | 3 May 2019 00:30 CEST | Update | - |
| article html file updated | 1 November 2017 04:21 CET | Update | - |
| article html file updated | 25 September 2017 04:08 CEST | Original file | - |
| article xml uploaded. | 25 September 2017 04:07 CEST | Original file | https://www.mdpi.com/2073-4344/7/10/281/xml |
| article pdf uploaded. | 25 September 2017 04:07 CEST | Updated version of record | https://www.mdpi.com/2073-4344/7/10/281/pdf |
| article pdf uploaded. | 22 September 2017 15:55 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/10/281/pdf-vor |
