| article html file updated | 6 February 2020 19:05 CET | Update | https://www.mdpi.com/2304-6740/3/2/219 |
| article html file updated | 6 May 2019 18:59 CEST | Update | N/A |
| article html file updated | 26 March 2019 03:36 CET | Update | N/A |
| article html file updated | 21 August 2015 12:43 CEST | Original file | N/A |
| article supplementary file uploaded. | 27 May 2015 15:29 CEST | - | https://www.mdpi.com/2304-6740/3/2/219#supplementary |
| article pdf uploaded. | 27 May 2015 15:29 CEST | Version of Record | https://www.mdpi.com/2304-6740/3/2/219/pdf |
