| article html file updated | 8 February 2020 02:41 CET | Update | https://www.mdpi.com/2073-445X/6/2/24 |
| article html file updated | 24 September 2019 02:44 CEST | Update | - |
| article html file updated | 4 May 2019 04:06 CEST | Update | - |
| article html file updated | 30 June 2017 09:18 CEST | Update | - |
| article html file updated | 31 March 2017 12:52 CEST | Update | - |
| article html file updated | 31 March 2017 12:52 CEST | Update | - |
| article html file updated | 31 March 2017 12:52 CEST | Original file | - |
| article xml uploaded. | 31 March 2017 12:51 CEST | Update | https://www.mdpi.com/2073-445X/6/2/24/xml |
| article pdf uploaded. | 31 March 2017 12:51 CEST | Version of Record | https://www.mdpi.com/2073-445X/6/2/24/pdf |
