| article html file updated | 7 February 2020 05:42 CET | Update | https://www.mdpi.com/2073-4433/7/3/37 |
| article html file updated | 21 September 2019 12:52 CEST | Update | - |
| article html file updated | 5 May 2019 21:53 CEST | Update | - |
| article html file updated | 26 March 2019 23:05 CET | Update | - |
| article html file updated | 28 March 2016 11:21 CEST | Original file | - |
| article pdf uploaded. | 10 March 2016 08:36 CET | Version of Record | https://www.mdpi.com/2073-4433/7/3/37/pdf |
| article xml uploaded. | 10 March 2016 08:36 CET | Original file | https://www.mdpi.com/2073-4433/7/3/37/xml |
