| article html file updated | 7 February 2020 13:56 CET | Update | https://www.mdpi.com/2220-9964/5/9/154 |
| article html file updated | 5 May 2019 05:59 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:54 CET | Update | N/A |
| article html file updated | 27 September 2016 09:38 CEST | Update | N/A |
| article html file updated | 26 August 2016 11:10 CEST | Original file | N/A |
| article xml uploaded. | 26 August 2016 10:47 CEST | Update | https://www.mdpi.com/2220-9964/5/9/154/xml |
| article xml uploaded. | 26 August 2016 10:47 CEST | Original file | N/A |
| article pdf uploaded. | 26 August 2016 10:47 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/9/154/pdf |
