| article html file updated | 7 February 2020 08:38 CET | Update | https://www.mdpi.com/2076-393X/4/2/17 |
| article html file updated | 5 May 2019 15:55 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:35 CET | Update | N/A |
| article html file updated | 4 July 2016 11:48 CEST | Update | N/A |
| article html file updated | 16 May 2016 23:01 CEST | Original file | N/A |
| article xml uploaded. | 13 May 2016 09:01 CEST | Original file | https://www.mdpi.com/2076-393X/4/2/17/xml |
| article pdf uploaded. | 13 May 2016 09:01 CEST | Version of Record | https://www.mdpi.com/2076-393X/4/2/17/pdf |
