| article html file updated | 6 February 2020 03:22 CET | Update | https://www.mdpi.com/2075-1680/2/3/390 |
| article html file updated | 19 September 2019 23:07 CEST | Update | N/A |
| article html file updated | 8 May 2019 02:34 CEST | Update | N/A |
| article html file updated | 21 March 2019 01:45 CET | Update | N/A |
| article html file updated | 4 August 2017 11:40 CEST | Original file | N/A |
| article xml uploaded. | 4 August 2017 11:38 CEST | Original file | https://www.mdpi.com/2075-1680/2/3/390/xml |
| article pdf uploaded. | 23 July 2013 11:12 CEST | Version of Record | https://www.mdpi.com/2075-1680/2/3/390/pdf |
