| article html file updated | 7 February 2020 12:14 CET | Update | https://www.mdpi.com/2220-9964/5/8/129 |
| article html file updated | 5 May 2019 09:12 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:16 CET | Update | N/A |
| article html file updated | 30 August 2016 03:47 CEST | Update | N/A |
| article html file updated | 23 July 2016 14:59 CEST | Original file | N/A |
| article xml uploaded. | 23 July 2016 14:58 CEST | Original file | https://www.mdpi.com/2220-9964/5/8/129/xml |
| article pdf uploaded. | 23 July 2016 14:58 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/8/129/pdf |
