| article html file updated | 8 February 2020 05:04 CET | Update | https://www.mdpi.com/2073-4344/7/5/138 |
| 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 06:32 CEST | Update | - |
| article html file updated | 23 May 2017 03:42 CEST | Update | - |
| article html file updated | 4 May 2017 15:52 CEST | Original file | - |
| article xml uploaded. | 4 May 2017 15:50 CEST | Update | https://www.mdpi.com/2073-4344/7/5/138/xml |
| article pdf uploaded. | 4 May 2017 15:50 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/5/138/pdf |
