| article html file updated | 6 February 2020 15:56 CET | Update | https://www.mdpi.com/2227-9032/3/1/64 |
| article html file updated | 20 September 2019 17:55 CEST | Update | N/A |
| article html file updated | 7 May 2019 01:01 CEST | Update | N/A |
| article html file updated | 25 March 2019 21:44 CET | Update | N/A |
| article html file updated | 18 May 2016 05:49 CEST | Update | N/A |
| article html file updated | 21 August 2015 07:37 CEST | Original file | N/A |
| article supplementary file uploaded. | 12 February 2015 14:29 CET | - | https://www.mdpi.com/2227-9032/3/1/64#supplementary |
| article pdf uploaded. | 12 February 2015 14:29 CET | Version of Record | https://www.mdpi.com/2227-9032/3/1/64/pdf |
