| article html file updated | 7 February 2020 11:14 CET | Update | https://www.mdpi.com/2076-3921/5/3/22 |
| article html file updated | 5 May 2019 11:00 CEST | Update | N/A |
| article html file updated | 27 March 2019 09:24 CET | Update | N/A |
| article html file updated | 28 September 2016 07:51 CEST | Update | N/A |
| article html file updated | 5 July 2016 11:03 CEST | Original file | N/A |
| article xml uploaded. | 5 July 2016 11:02 CEST | Original file | https://www.mdpi.com/2076-3921/5/3/22/xml |
| article pdf uploaded. | 5 July 2016 11:02 CEST | Version of Record | https://www.mdpi.com/2076-3921/5/3/22/pdf |
