| article html file updated | 7 February 2020 11:17 CET | Update | https://www.mdpi.com/2078-2489/7/3/39 |
| article html file updated | 5 May 2019 10:53 CEST | Update | N/A |
| article html file updated | 27 March 2019 09:31 CET | Update | N/A |
| article html file updated | 24 November 2016 22:48 CET | Update | N/A |
| article html file updated | 7 July 2016 13:22 CEST | Original file | N/A |
| article xml uploaded. | 7 July 2016 13:21 CEST | Original file | https://www.mdpi.com/2078-2489/7/3/39/xml |
| article pdf uploaded. | 7 July 2016 13:21 CEST | Version of Record | https://www.mdpi.com/2078-2489/7/3/39/pdf |
