| article html file updated | 8 February 2020 10:23 CET | Update | https://www.mdpi.com/2304-6732/4/3/41 |
| article html file updated | 25 September 2019 19:31 CEST | Update | - |
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| article xml uploaded. | 7 August 2017 08:23 CEST | Update | https://www.mdpi.com/2304-6732/4/3/41/xml |
| article pdf uploaded. | 7 August 2017 08:23 CEST | Updated version of record | https://www.mdpi.com/2304-6732/4/3/41/pdf |
| article html file updated | 21 July 2017 12:13 CEST | Update | - |
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| article pdf uploaded. | 21 July 2017 12:10 CEST | Updated version of record | https://www.mdpi.com/2304-6732/4/3/41/pdf-vor |
| article html file updated | 7 July 2017 11:03 CEST | Original file | - |
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