function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boulenger, George Albert', 4],
    ['Broadley, Donald G. & Wallach, Van', 38],
    ['Chandramouli, S. R.', 2],
    ['Citeli, Nathalie & Hamdan, Breno & Guedes, Thais', 2],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 9],
    ['Graboski, Roberta & Arredondo, Juan C. & Grazziotin, Felipe G.', 4],
    ['Guedes, Thaís B. & Nogueira, Cristiano & Marques, Otavio A. V.', 4],
    ['Hoser, Raymond', 5],
    ['Karin, Benjamin R. & Stubbs, Alexander L. & Arifin, Umilaela', 3],
    ['Nogueira, Cristiano C. & Argôlo, Antonio J. S.', 7],
    ['Pyron, Robert Alexander & Wallach, Van', 17],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean François', 3],
    ['Sánchez-Vialas, Alberto & Calvo-Revuelta, Marta', 4],
    ['Thomas, Richard & Hedges, Blair', 13],
    ['Wallach, Van', 23],
    ['Other (29)', 37]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=175)',
    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);