| article html file updated | 8 February 2020 18:06 CET | Update | https://www.mdpi.com/2304-8158/6/10/88 |
| article html file updated | 27 September 2019 15:51 CEST | Update | N/A |
| article html file updated | 2 May 2019 22:04 CEST | Update | N/A |
| article html file updated | 6 November 2017 07:10 CET | Update | N/A |
| article html file updated | 11 October 2017 11:33 CEST | Original file | N/A |
| article xml uploaded. | 11 October 2017 11:32 CEST | Original file | https://www.mdpi.com/2304-8158/6/10/88/xml |
| article pdf uploaded. | 11 October 2017 11:32 CEST | Version of Record | https://www.mdpi.com/2304-8158/6/10/88/pdf |
