| article html file updated | 8 February 2020 06:58 CET | Update | https://www.mdpi.com/2073-445X/6/2/36 |
| article html file updated | 25 September 2019 01:41 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:55 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:21 CEST | Update | N/A |
| article html file updated | 2 June 2017 14:37 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2017 14:35 CEST | Original file | https://www.mdpi.com/2073-445X/6/2/36/xml |
| article pdf uploaded. | 2 June 2017 14:35 CEST | Updated version of record | https://www.mdpi.com/2073-445X/6/2/36/pdf |
| article pdf uploaded. | 29 May 2017 10:41 CEST | Version of Record | https://www.mdpi.com/2073-445X/6/2/36/pdf-vor |