| article html file updated | 7 February 2020 17:04 CET | Update | https://www.mdpi.com/2079-9276/5/4/32 |
| article html file updated | 22 September 2019 04:02 CEST | Update | - |
| article html file updated | 5 May 2019 00:18 CEST | Update | - |
| article html file updated | 30 December 2016 09:12 CET | Update | - |
| article html file updated | 27 October 2016 08:57 CEST | Original file | - |
| article xml uploaded. | 27 October 2016 08:56 CEST | Update | https://www.mdpi.com/2079-9276/5/4/32/xml |
| article xml uploaded. | 27 October 2016 08:56 CEST | Original file | - |
| article pdf uploaded. | 27 October 2016 08:56 CEST | Version of Record | https://www.mdpi.com/2079-9276/5/4/32/pdf |
