function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Bukejs, Andris', 7],
    ['Aoki, Jun-ichi', 5],
    ['Borges, Paulo A. V. & Amorim, Isabel R. & Terzopoulou, Sofia', 5],
    ['Broun, Thomas', 10],
    ['Delgado, Leonardo & Mora-Aguilar, Eder F.', 6],
    ['Foley, Ian A. & Ivie, Michael A.', 74],
    ['Ivie, Michael A. & Lord, Nathan P. & Elgueta, Mario', 5],
    ['Ivie, Michael A. & Lord, Nathan P. & Foley, Ian A.', 146],
    ['Lord, Nathan P. & Ivie, Michael A.', 21],
    ['Lord, Nathan P. & Leschen, Richard A. B.', 221],
    ['Porch, Nick & Smith, Tessa R. & Greig, Kelly', 6],
    ['Sharp, David', 9],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 14],
    ['Turco, Federica & Ślipiński, Adam & Lambkin, Christine L.', 27],
    ['Węgrzynowicz, Piotr', 6],
    ['Other (50)', 91]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=653)',
    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);