| article html file updated | 7 February 2020 06:24 CET | Update | https://www.mdpi.com/2079-4983/7/2/8 |
| article html file updated | 21 September 2019 13:55 CEST | Update | N/A |
| article html file updated | 5 May 2019 20:25 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:20 CET | Update | N/A |
| article html file updated | 11 December 2018 08:19 CET | Update | N/A |
| article html file updated | 5 July 2016 04:42 CEST | Update | N/A |
| article html file updated | 25 March 2016 10:05 CET | Original file | N/A |
| article xml uploaded. | 25 March 2016 10:04 CET | Original file | https://www.mdpi.com/2079-4983/7/2/8/xml |
| article pdf uploaded. | 25 March 2016 10:04 CET | Version of Record | https://www.mdpi.com/2079-4983/7/2/8/pdf |
