| article html file updated | 7 February 2020 10:23 CET | Update | https://www.mdpi.com/2075-4450/7/2/27 |
| article html file updated | 5 May 2019 12:33 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:52 CET | Update | N/A |
| article html file updated | 4 July 2016 10:36 CEST | Update | N/A |
| article html file updated | 17 June 2016 15:22 CEST | Original file | N/A |
| article xml uploaded. | 17 June 2016 15:20 CEST | Original file | https://www.mdpi.com/2075-4450/7/2/27/xml |
| article pdf uploaded. | 17 June 2016 15:20 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/2/27/pdf |
