| article html file updated | 7 February 2020 21:46 CET | Update | https://www.mdpi.com/2076-393X/5/1/3 |
| article html file updated | 22 September 2019 23:02 CEST | Update | - |
| article html file updated | 4 May 2019 14:33 CEST | Update | - |
| article html file updated | 30 March 2017 06:07 CEST | Update | - |
| article html file updated | 19 January 2017 08:52 CET | Original file | - |
| article xml uploaded. | 19 January 2017 08:51 CET | Original file | https://www.mdpi.com/2076-393X/5/1/3/xml |
| article pdf uploaded. | 19 January 2017 08:51 CET | Version of Record | https://www.mdpi.com/2076-393X/5/1/3/pdf |
