| article html file updated | 7 February 2020 18:21 CET | Update | https://www.mdpi.com/2078-2489/7/4/68 |
| article html file updated | 22 September 2019 06:19 CEST | Update | N/A |
| article html file updated | 4 May 2019 21:51 CEST | Update | N/A |
| article html file updated | 29 December 2016 11:09 CET | Update | N/A |
| article html file updated | 24 November 2016 07:15 CET | Update | N/A |
| article xml uploaded. | 24 November 2016 07:13 CET | Update | https://www.mdpi.com/2078-2489/7/4/68/xml |
| article xml uploaded. | 24 November 2016 07:13 CET | Update | N/A |
| article pdf uploaded. | 24 November 2016 07:13 CET | Updated version of record | https://www.mdpi.com/2078-2489/7/4/68/pdf |
| article html file updated | 22 November 2016 04:01 CET | Original file | N/A |
| article xml uploaded. | 22 November 2016 03:59 CET | Update | N/A |
| article xml uploaded. | 22 November 2016 03:59 CET | Original file | N/A |
| article pdf uploaded. | 22 November 2016 03:59 CET | Version of Record | https://www.mdpi.com/2078-2489/7/4/68/pdf-vor |
