| article html file updated | 9 February 2020 00:27 CET | Update | https://www.mdpi.com/2076-3271/5/4/35 |
| article html file updated | 29 September 2019 07:21 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:46 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:36 CEST | Update | N/A |
| article html file updated | 14 March 2018 17:47 CET | Update | N/A |
| article html file updated | 18 December 2017 15:16 CET | Original file | N/A |
| article xml uploaded. | 18 December 2017 15:15 CET | Original file | https://www.mdpi.com/2076-3271/5/4/35/xml |
| article pdf uploaded. | 18 December 2017 15:15 CET | Version of Record | https://www.mdpi.com/2076-3271/5/4/35/pdf |
