| article html file updated | 8 February 2020 03:36 CET | Update | https://www.mdpi.com/2073-445X/6/2/26 |
| article html file updated | 24 September 2019 07:50 CEST | Update | - |
| article html file updated | 4 May 2019 02:11 CEST | Update | - |
| article html file updated | 30 June 2017 09:19 CEST | Update | - |
| article html file updated | 18 April 2017 12:45 CEST | Original file | - |
| article xml uploaded. | 18 April 2017 12:44 CEST | Update | https://www.mdpi.com/2073-445X/6/2/26/xml |
| article pdf uploaded. | 18 April 2017 12:44 CEST | Updated version of record | https://www.mdpi.com/2073-445X/6/2/26/pdf |
| article pdf uploaded. | 14 April 2017 15:11 CEST | Version of Record | https://www.mdpi.com/2073-445X/6/2/26/pdf-vor |
