| article html file updated | 8 February 2020 02:19 CET | Update | https://www.mdpi.com/2073-445X/6/2/22 |
| article html file updated | 24 September 2019 00:38 CEST | Update | - |
| article html file updated | 4 May 2019 04:52 CEST | Update | - |
| article html file updated | 30 June 2017 09:18 CEST | Update | - |
| article html file updated | 29 March 2017 06:28 CEST | Original file | - |
| article xml uploaded. | 29 March 2017 06:17 CEST | Original file | https://www.mdpi.com/2073-445X/6/2/22/xml |
| article pdf uploaded. | 29 March 2017 06:17 CEST | Updated version of record | https://www.mdpi.com/2073-445X/6/2/22/pdf |
| article pdf uploaded. | 27 March 2017 12:08 CEST | Version of Record | https://www.mdpi.com/2073-445X/6/2/22/pdf-vor |
