function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bequaert, Michel', 7],
    ['Bezzi, Mario', 4],
    ['Boschert, Claire & Dikow, Torsten', 10],
    ['Calhau, Julia & Lamas, Carlos José Einicker', 11],
    ['Calhau, Julia & Lima, Sheila & Rafael, José Albertino', 4],
    ['Castillo, Stephanie & Dikow, Torsten', 4],
    ['Dikow, T.', 18],
    ['Dikow, Torsten', 14],
    ['Dikow, Torsten & Leon, Stephanie', 8],
    ['Gerstaecker, C. E. A.', 4],
    ['Hesse, A. J.', 13],
    ['J. Wilcox & N. Papavero', 18],
    ['Kondratieff, B. C. & Carr, Ryan J. & Irwin, Michael E.', 7],
    ['Lyons, Kathleen M. & Dikow, Torsten', 9],
    ['Yamaguchi, Carolina & Lamas, Carlos José Einicker', 17],
    ['Other (23)', 36]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=184)',
    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);