function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bolton, B.', 224],
    ['DE ALBUQUERQUE, EMÍLIA ZOPPAS & PRADO, LÍVIA PIRES DO', 204],
    ['Emery, C.', 565],
    ['Forel, A.', 1648],
    ['Jimoh, Bunmi Omowumi & Gomez, Kiko & Kemabonta, Kehinde Abike', 316],
    ['Lapeva-Gjonova, Albena & Antonova, Vera', 355],
    ['Longino, J. T.', 188],
    ['Mayr, G.', 438],
    ['Santschi, F.', 778],
    ['Seifert, Bernhard', 215],
    ['Smith, F.', 968],
    ['Ward, P. S.', 398],
    ['Wheeler, W. M.', 306],
    ['Wild, A. L.', 619],
    ['Wilson, E. O.', 624],
    ['Other (681)', 8941]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16787)',
    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);