| article html file updated | 7 February 2020 10:13 CET | Update | https://www.mdpi.com/2078-2489/7/2/35 |
| article html file updated | 5 May 2019 12:51 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:35 CET | Update | N/A |
| article html file updated | 24 November 2016 22:47 CET | Update | N/A |
| article html file updated | 15 June 2016 14:41 CEST | Original file | N/A |
| article xml uploaded. | 15 June 2016 14:40 CEST | Original file | https://www.mdpi.com/2078-2489/7/2/35/xml |
| article pdf uploaded. | 15 June 2016 14:40 CEST | Version of Record | https://www.mdpi.com/2078-2489/7/2/35/pdf |
