| article html file updated | 7 February 2020 08:47 CET | Update | https://www.mdpi.com/2073-4344/6/5/72 |
| article html file updated | 5 May 2019 15:39 CEST | Update | - |
| article html file updated | 27 March 2019 04:50 CET | Update | - |
| article html file updated | 26 May 2016 12:23 CEST | Update | - |
| article pdf uploaded. | 16 May 2016 12:40 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/5/72/pdf |
| article html file updated | 16 May 2016 12:35 CEST | Original file | - |
