| article html file updated | 7 February 2020 05:43 CET | Update | https://www.mdpi.com/2073-4433/7/3/41 |
| article html file updated | 21 September 2019 12:53 CEST | Update | - |
| article html file updated | 5 May 2019 21:51 CEST | Update | - |
| article html file updated | 26 March 2019 23:06 CET | Update | - |
| article html file updated | 28 March 2016 11:21 CEST | Original file | - |
| article pdf uploaded. | 10 March 2016 11:08 CET | Version of Record | https://www.mdpi.com/2073-4433/7/3/41/pdf |
| article xml uploaded. | 10 March 2016 11:08 CET | Original file | https://www.mdpi.com/2073-4433/7/3/41/xml |
