| article html file updated | 8 February 2020 12:58 CET | Update | https://www.mdpi.com/2225-1154/5/3/60 |
| article html file updated | 3 May 2019 08:05 CEST | Update | - |
| article html file updated | 27 March 2019 19:38 CET | Update | - |
| article html file updated | 30 September 2017 07:49 CEST | Update | - |
| article html file updated | 7 August 2017 14:08 CEST | Original file | - |
| article xml uploaded. | 7 August 2017 14:07 CEST | Original file | https://www.mdpi.com/2225-1154/5/3/60/xml |
| article pdf uploaded. | 7 August 2017 14:07 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/3/60/pdf |
