| article html file updated | 6 February 2020 01:00 CET | Update | https://www.mdpi.com/2079-6382/2/1/83 |
| article html file updated | 8 May 2019 07:22 CEST | Update | N/A |
| article html file updated | 20 March 2019 19:47 CET | Update | N/A |
| article html file updated | 17 June 2015 07:28 CEST | Original file | N/A |
| article supplementary file uploaded. | 15 March 2013 15:32 CET | - | https://www.mdpi.com/2079-6382/2/1/83#supplementary |
| article pdf uploaded. | 13 March 2013 16:05 CET | Version of Record | https://www.mdpi.com/2079-6382/2/1/83/pdf |
