| article html file updated | 7 February 2020 14:03 CET | Update | https://www.mdpi.com/2075-4701/6/9/204 |
| article html file updated | 5 May 2019 05:47 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:10 CET | Update | N/A |
| article html file updated | 27 September 2016 10:03 CEST | Update | N/A |
| article html file updated | 29 August 2016 13:56 CEST | Original file | N/A |
| article xml uploaded. | 29 August 2016 13:54 CEST | Update | https://www.mdpi.com/2075-4701/6/9/204/xml |
| article xml uploaded. | 29 August 2016 13:54 CEST | Update | N/A |
| article xml uploaded. | 29 August 2016 13:54 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2016 13:54 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/9/204/pdf |
