| article html file updated | 7 February 2020 06:49 CET | Update | https://www.mdpi.com/2075-4698/6/2/10 |
| article html file updated | 21 September 2019 14:28 CEST | Update | N/A |
| article html file updated | 5 May 2019 19:36 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:00 CET | Update | N/A |
| article html file updated | 1 July 2016 12:50 CEST | Update | N/A |
| article html file updated | 11 April 2016 05:12 CEST | Original file | N/A |
| article pdf uploaded. | 11 April 2016 04:22 CEST | Updated version of record | https://www.mdpi.com/2075-4698/6/2/10/pdf |
