| article html file updated | 7 February 2020 06:47 CET | Update | https://www.mdpi.com/2075-4701/6/4/79 |
| article html file updated | 5 May 2019 19:39 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:58 CET | Update | N/A |
| article html file updated | 28 April 2016 12:07 CEST | Update | N/A |
| article html file updated | 2 April 2016 08:55 CEST | Original file | N/A |
| article xml uploaded. | 2 April 2016 08:53 CEST | Original file | https://www.mdpi.com/2075-4701/6/4/79/xml |
| article pdf uploaded. | 2 April 2016 08:53 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/4/79/pdf |
