| article html file updated | 7 February 2020 12:01 CET | Update | https://www.mdpi.com/2075-4698/6/3/20 |
| article html file updated | 5 May 2019 09:34 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:54 CET | Update | N/A |
| article html file updated | 29 September 2016 12:03 CEST | Update | N/A |
| article html file updated | 21 July 2016 12:34 CEST | Update | N/A |
| article xml uploaded. | 21 July 2016 12:33 CEST | Update | https://www.mdpi.com/2075-4698/6/3/20/xml |
| article pdf uploaded. | 21 July 2016 12:33 CEST | Updated version of record | https://www.mdpi.com/2075-4698/6/3/20/pdf |
| article html file updated | 20 July 2016 15:24 CEST | Original file | N/A |
| article pdf uploaded. | 20 July 2016 15:22 CEST | Version of Record | https://www.mdpi.com/2075-4698/6/3/20/pdf-vor |
