| article html file updated | 7 February 2020 09:42 CET | Update | https://www.mdpi.com/2078-2489/7/2/32 |
| article html file updated | 5 May 2019 13:48 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:36 CET | Update | N/A |
| article html file updated | 24 November 2016 22:47 CET | Update | N/A |
| article html file updated | 3 June 2016 14:15 CEST | Original file | N/A |
| article xml uploaded. | 3 June 2016 14:14 CEST | Original file | https://www.mdpi.com/2078-2489/7/2/32/xml |
| article pdf uploaded. | 3 June 2016 14:14 CEST | Version of Record | https://www.mdpi.com/2078-2489/7/2/32/pdf |
