| article html file updated | 7 February 2020 07:07 CET | Update | https://www.mdpi.com/2073-4360/8/4/129 |
| article html file updated | 21 September 2019 14:56 CEST | Update | N/A |
| article html file updated | 5 May 2019 18:56 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:36 CET | Update | N/A |
| article html file updated | 15 March 2019 12:02 CET | Update | N/A |
| article html file updated | 29 April 2016 09:51 CEST | Update | N/A |
| article html file updated | 12 April 2016 08:15 CEST | Original file | N/A |
| article xml uploaded. | 12 April 2016 08:14 CEST | Original file | https://www.mdpi.com/2073-4360/8/4/129/xml |
| article pdf uploaded. | 12 April 2016 08:14 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/4/129/pdf |
