| article html file updated | 7 February 2020 14:03 CET | Update | https://www.mdpi.com/2220-9964/5/9/155 |
| article html file updated | 5 May 2019 05:48 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:09 CET | Update | N/A |
| article html file updated | 27 September 2016 09:38 CEST | Update | N/A |
| article html file updated | 29 August 2016 14:42 CEST | Original file | N/A |
| article xml uploaded. | 29 August 2016 14:40 CEST | Update | https://www.mdpi.com/2220-9964/5/9/155/xml |
| article xml uploaded. | 29 August 2016 14:40 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2016 14:40 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/9/155/pdf |
