| article html file updated | 8 February 2020 07:43 CET | Update | https://www.mdpi.com/2075-4701/7/6/211 |
| article html file updated | 25 September 2019 05:33 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:30 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:02 CEST | Update | N/A |
| article html file updated | 7 June 2017 14:14 CEST | Original file | N/A |
| article xml uploaded. | 7 June 2017 14:13 CEST | Original file | https://www.mdpi.com/2075-4701/7/6/211/xml |
| article pdf uploaded. | 7 June 2017 14:13 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/211/pdf |
