| article html file updated | 7 February 2020 22:33 CET | Update | https://www.mdpi.com/2079-9268/7/1/3 |
| article html file updated | 23 September 2019 03:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:56 CEST | Update | N/A |
| article html file updated | 10 February 2017 07:36 CET | Original file | N/A |
| article xml uploaded. | 10 February 2017 07:34 CET | Update | https://www.mdpi.com/2079-9268/7/1/3/xml |
| article xml uploaded. | 10 February 2017 07:34 CET | Original file | N/A |
| article pdf uploaded. | 10 February 2017 07:34 CET | Updated version of record | https://www.mdpi.com/2079-9268/7/1/3/pdf |
| article pdf uploaded. | 1 February 2017 11:55 CET | Version of Record | https://www.mdpi.com/2079-9268/7/1/3/pdf-vor |
