| article html file updated | 7 February 2020 19:52 CET | Update | https://www.mdpi.com/2075-4698/6/4/35 |
| article html file updated | 22 September 2019 12:47 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:42 CEST | Update | N/A |
| article html file updated | 29 December 2016 06:47 CET | Update | N/A |
| article html file updated | 17 December 2016 10:37 CET | Original file | N/A |
| article xml uploaded. | 17 December 2016 10:36 CET | Original file | https://www.mdpi.com/2075-4698/6/4/35/xml |
| article pdf uploaded. | 17 December 2016 10:36 CET | Version of Record | https://www.mdpi.com/2075-4698/6/4/35/pdf |
