| article html file updated | 8 February 2020 08:55 CET | Update | https://www.mdpi.com/2073-445X/6/2/44 |
| article html file updated | 25 September 2019 11:47 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:14 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:23 CEST | Update | N/A |
| article html file updated | 22 June 2017 11:37 CEST | Original file | N/A |
| article xml uploaded. | 22 June 2017 10:34 CEST | Original file | https://www.mdpi.com/2073-445X/6/2/44/xml |
| article pdf uploaded. | 22 June 2017 10:34 CEST | Version of Record | https://www.mdpi.com/2073-445X/6/2/44/pdf |
