| article html file updated | 7 February 2020 22:49 CET | Update | https://www.mdpi.com/2079-9276/6/1/8 |
| article html file updated | 23 September 2019 04:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:23 CEST | Update | N/A |
| article html file updated | 30 March 2017 08:58 CEST | Update | N/A |
| article html file updated | 8 February 2017 13:51 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 13:49 CET | Update | https://www.mdpi.com/2079-9276/6/1/8/xml |
| article xml uploaded. | 8 February 2017 13:49 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2017 13:49 CET | Version of Record | https://www.mdpi.com/2079-9276/6/1/8/pdf |
