Surviving in science these days is all about high impact. How is this impact being measured? Managers, deans,  operators, science editors and grant officers, to mention just a few non-active scientists, know the answer exactly. They judge the scientist by the:

1. number of papers published in refereed journals
2. number of papers in high-impact journals
3. number of citations, and more specifically by the h-index

To remind you: if the h-index of a scientist is 20 the scientist has coauthored 20 papers with at least 20 citations.

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