| article html file updated | 7 February 2020 11:30 CET | Update | https://www.mdpi.com/2076-3921/5/3/23 |
| article html file updated | 5 May 2019 10:30 CEST | Update | - |
| article html file updated | 27 March 2019 09:55 CET | Update | - |
| article html file updated | 28 September 2016 07:52 CEST | Update | - |
| article html file updated | 11 July 2016 12:00 CEST | Original file | - |
| article xml uploaded. | 11 July 2016 11:59 CEST | Original file | https://www.mdpi.com/2076-3921/5/3/23/xml |
| article pdf uploaded. | 11 July 2016 11:59 CEST | Version of Record | https://www.mdpi.com/2076-3921/5/3/23/pdf |
