| article html file updated | 7 February 2020 13:31 CET | Update | https://www.mdpi.com/2075-4450/7/3/40 |
| article html file updated | 5 May 2019 06:47 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:00 CET | Update | N/A |
| article html file updated | 28 September 2016 22:55 CEST | Update | N/A |
| article html file updated | 18 August 2016 11:51 CEST | Original file | N/A |
| article xml uploaded. | 18 August 2016 11:50 CEST | Update | https://www.mdpi.com/2075-4450/7/3/40/xml |
| article xml uploaded. | 18 August 2016 11:50 CEST | Original file | N/A |
| article pdf uploaded. | 18 August 2016 11:50 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/3/40/pdf |
