| article html file updated | 6 February 2020 23:06 CET | Update | https://www.mdpi.com/2077-0375/5/3/473 |
| article html file updated | 6 May 2019 10:41 CEST | Update | - |
| article html file updated | 26 March 2019 11:20 CET | Update | - |
| article html file updated | 28 September 2015 11:54 CEST | Original file | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Original file | https://www.mdpi.com/2077-0375/5/3/473/xml |
| article supplementary file uploaded. | 22 September 2015 16:52 CEST | - | https://www.mdpi.com/2077-0375/5/3/473#supplementary |
| article pdf uploaded. | 22 September 2015 16:51 CEST | Version of Record | https://www.mdpi.com/2077-0375/5/3/473/pdf |
