| article html file updated | 8 February 2020 08:41 CET | Update | https://www.mdpi.com/2078-2489/8/2/67 |
| article html file updated | 25 September 2019 10:29 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:43 CEST | Update | N/A |
| article html file updated | 28 June 2017 13:50 CEST | Update | N/A |
| article html file updated | 20 June 2017 13:11 CEST | Update | N/A |
| article xml uploaded. | 20 June 2017 13:10 CEST | Update | https://www.mdpi.com/2078-2489/8/2/67/xml |
| article pdf uploaded. | 20 June 2017 13:10 CEST | Updated version of record | https://www.mdpi.com/2078-2489/8/2/67/pdf |
| article html file updated | 19 June 2017 11:53 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2017 11:51 CEST | Version of Record | https://www.mdpi.com/2078-2489/8/2/67/pdf-vor |
