| article html file updated | 7 February 2020 13:57 CET | Update | https://www.mdpi.com/2078-2489/7/3/52 |
| article html file updated | 5 May 2019 05:59 CEST | Update | - |
| article html file updated | 27 March 2019 14:55 CET | Update | - |
| article html file updated | 24 November 2016 22:50 CET | Update | - |
| article html file updated | 26 August 2016 11:22 CEST | Original file | - |
| article xml uploaded. | 26 August 2016 11:21 CEST | Update | https://www.mdpi.com/2078-2489/7/3/52/xml |
| article xml uploaded. | 26 August 2016 11:21 CEST | Original file | - |
| article pdf uploaded. | 26 August 2016 11:21 CEST | Version of Record | https://www.mdpi.com/2078-2489/7/3/52/pdf |
