| article html file updated | 7 February 2020 18:42 CET | Update | https://www.mdpi.com/2304-8158/5/4/78 |
| article html file updated | 22 September 2019 07:18 CEST | Update | N/A |
| article html file updated | 4 May 2019 21:10 CEST | Update | N/A |
| article html file updated | 30 December 2016 02:06 CET | Update | N/A |
| article html file updated | 28 November 2016 08:19 CET | Original file | N/A |
| article xml uploaded. | 28 November 2016 08:18 CET | Update | https://www.mdpi.com/2304-8158/5/4/78/xml |
| article xml uploaded. | 28 November 2016 08:18 CET | Update | N/A |
| article xml uploaded. | 28 November 2016 08:18 CET | Original file | N/A |
| article pdf uploaded. | 28 November 2016 08:17 CET | Version of Record | https://www.mdpi.com/2304-8158/5/4/78/pdf |
