function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andronov, Vladimir N. & Kosobokova, Ksenia N.', 5],
    ['Boxshall, Geoff A. & Jaume, Damià', 4],
    ['Bradford-Grieve, Janet M. & Blanco-Bercial, Leocadio', 32],
    ['Bradford-Grieve, Janet M. & Boxshall, Geoffrey A.', 8],
    ['Brady, George Stewardson', 20],
    ['Elías-Gutiérrez, Manuel & Jerónimo, Fernando Martínez', 4],
    ['Markhaseva, E. L. & Ferrari, Frank D.', 4],
    ['Markhaseva, Elena L.', 6],
    ['Markhaseva, Elena L. & Renz, Jasmin', 9],
    ['Markhaseva, Elena L. & Schulz, Knud', 12],
    ['Novichkova, Anna', 4],
    ['Ohtsuka, Susumu & Nishida, Shuhei & Machida, Ryuji J.', 8],
    ['Ohtsuka, Susumu & Nishida, Shuhei & Nakaguchi, Kazumitsu', 5],
    ['Perbiche-Neves, Gilmar & Boxshall, Geoffrey Allan', 19],
    ['Pugh, P. J. A. & Dartnall, H. J. G. & McInnes, S. J.', 12],
    ['Other (74)', 116]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=268)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);