| article html file updated | 7 February 2020 10:19 CET | Update | https://www.mdpi.com/2078-2489/7/2/33 |
| article html file updated | 5 May 2019 12:40 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:45 CET | Update | N/A |
| article html file updated | 24 November 2016 22:48 CET | Update | N/A |
| article html file updated | 17 June 2016 11:29 CEST | Original file | N/A |
| article xml uploaded. | 17 June 2016 11:28 CEST | Update | https://www.mdpi.com/2078-2489/7/2/33/xml |
| article pdf uploaded. | 17 June 2016 11:28 CEST | Version of Record | https://www.mdpi.com/2078-2489/7/2/33/pdf |
