| article html file updated | 8 February 2020 05:40 CET | Update | https://www.mdpi.com/2073-445X/6/2/34 |
| article html file updated | 24 September 2019 18:56 CEST | Update | - |
| article html file updated | 3 May 2019 22:24 CEST | Update | - |
| article html file updated | 30 June 2017 09:20 CEST | Update | - |
| article html file updated | 23 May 2017 04:06 CEST | Update | - |
| article html file updated | 12 May 2017 09:31 CEST | Original file | - |
| article xml uploaded. | 12 May 2017 09:30 CEST | Original file | https://www.mdpi.com/2073-445X/6/2/34/xml |
| article pdf uploaded. | 12 May 2017 09:30 CEST | Version of Record | https://www.mdpi.com/2073-445X/6/2/34/pdf |
