| article html file updated | 8 February 2020 05:04 CET | Update | https://www.mdpi.com/2073-4344/7/5/137 |
| article html file updated | 24 September 2019 15:52 CEST | Update | - |
| article html file updated | 3 May 2019 23:28 CEST | Update | - |
| article html file updated | 31 May 2017 06:31 CEST | Update | - |
| article html file updated | 23 May 2017 03:42 CEST | Update | - |
| article html file updated | 4 May 2017 15:36 CEST | Original file | - |
| article xml uploaded. | 4 May 2017 15:34 CEST | Original file | https://www.mdpi.com/2073-4344/7/5/137/xml |
| article pdf uploaded. | 4 May 2017 15:34 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/5/137/pdf |
