| article html file updated | 7 February 2020 09:23 CET | Update | https://www.mdpi.com/2075-4701/6/6/128 |
| article html file updated | 5 May 2019 14:28 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:57 CET | Update | N/A |
| article html file updated | 29 June 2016 06:07 CEST | Update | N/A |
| article html file updated | 27 May 2016 12:00 CEST | Original file | N/A |
| article xml uploaded. | 27 May 2016 11:00 CEST | Original file | https://www.mdpi.com/2075-4701/6/6/128/xml |
| article pdf uploaded. | 27 May 2016 11:00 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/6/128/pdf |
