| article html file updated | 8 February 2020 06:26 CET | Update | https://www.mdpi.com/2225-1154/5/2/37 |
| article html file updated | 24 September 2019 22:58 CEST | Update | - |
| article html file updated | 3 May 2019 20:54 CEST | Update | - |
| article html file updated | 28 June 2017 12:55 CEST | Update | - |
| article html file updated | 22 May 2017 17:04 CEST | Original file | - |
| article xml uploaded. | 22 May 2017 17:03 CEST | Original file | https://www.mdpi.com/2225-1154/5/2/37/xml |
| article pdf uploaded. | 22 May 2017 17:03 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/2/37/pdf |
