| article html file updated | 8 February 2020 02:18 CET | Update | https://www.mdpi.com/2225-1154/5/2/27 |
| article html file updated | 24 September 2019 00:32 CEST | Update | - |
| article html file updated | 4 May 2019 04:55 CEST | Update | - |
| article html file updated | 28 June 2017 12:53 CEST | Update | - |
| article html file updated | 28 March 2017 12:46 CEST | Original file | - |
| article xml uploaded. | 28 March 2017 12:45 CEST | Original file | https://www.mdpi.com/2225-1154/5/2/27/xml |
| article pdf uploaded. | 28 March 2017 12:45 CEST | Updated version of record | https://www.mdpi.com/2225-1154/5/2/27/pdf |
| article pdf uploaded. | 26 March 2017 12:35 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/2/27/pdf-vor |
