| article html file updated | 8 February 2020 09:07 CET | Update | https://www.mdpi.com/2076-0817/6/3/28 |
| article html file updated | 25 September 2019 12:49 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:53 CEST | Update | N/A |
| article html file updated | 30 September 2017 11:38 CEST | Update | N/A |
| article html file updated | 26 June 2017 11:15 CEST | Original file | N/A |
| article xml uploaded. | 26 June 2017 11:14 CEST | Original file | https://www.mdpi.com/2076-0817/6/3/28/xml |
| article pdf uploaded. | 26 June 2017 11:14 CEST | Updated version of record | https://www.mdpi.com/2076-0817/6/3/28/pdf |
| article pdf uploaded. | 23 June 2017 15:47 CEST | Version of Record | https://www.mdpi.com/2076-0817/6/3/28/pdf-vor |
