| article html file updated | 8 February 2020 17:23 CET | Update | https://www.mdpi.com/2076-393X/5/4/33 |
| article html file updated | 27 September 2019 10:27 CEST | Update | - |
| article html file updated | 2 May 2019 23:37 CEST | Update | - |
| article html file updated | 2 January 2018 09:58 CET | Update | - |
| article html file updated | 28 September 2017 16:31 CEST | Original file | - |
| article xml uploaded. | 28 September 2017 16:30 CEST | Original file | https://www.mdpi.com/2076-393X/5/4/33/xml |
| article pdf uploaded. | 28 September 2017 16:30 CEST | Version of Record | https://www.mdpi.com/2076-393X/5/4/33/pdf |
