| article html file updated | 7 February 2020 23:38 CET | Update | https://www.mdpi.com/2079-6412/7/2/32 |
| article html file updated | 23 September 2019 09:19 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:46 CEST | Update | N/A |
| article html file updated | 2 March 2017 03:39 CET | Update | N/A |
| article html file updated | 17 February 2017 12:12 CET | Original file | N/A |
| article xml uploaded. | 17 February 2017 12:11 CET | Update | https://www.mdpi.com/2079-6412/7/2/32/xml |
| article xml uploaded. | 17 February 2017 12:11 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2017 12:11 CET | Version of Record | https://www.mdpi.com/2079-6412/7/2/32/pdf |
