| article html file updated | 8 February 2020 04:52 CET | Update | https://www.mdpi.com/2073-445X/6/2/32 |
| article html file updated | 24 September 2019 14:48 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:52 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:20 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:30 CEST | Update | N/A |
| article html file updated | 2 May 2017 14:28 CEST | Original file | N/A |
| article xml uploaded. | 2 May 2017 14:26 CEST | Update | https://www.mdpi.com/2073-445X/6/2/32/xml |
| article pdf uploaded. | 2 May 2017 14:26 CEST | Version of Record | https://www.mdpi.com/2073-445X/6/2/32/pdf |
