function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Buecher, Emmanuelle & Goy, Jacqueline & J, Mark & Gibbons', 1],
    ['Calder, Dale R.', 9],
    ['Estrada-González, Mariae C. & Agüero, José', 1],
    ['Galea, Horia R.', 5],
    ['Galea, Horia R. & Ferry, Romain', 3],
    ['Galea, Horia R. & Schories, Dirk', 2],
    ['Gravili, Cinzia & Vito, Doris De & Camillo, Cristina Gioia Di', 2],
    ['Haddad, Maria Angélica & Bettim, Ariane Lima', 1],
    ['Júnior, Miodeli Nogueira', 2],
    ['OLIVEIRA, OTTO M. P. & MIRANDA, THAÍS P. & ARAUJO, ENILMA M.', 22],
    ['Peña Cantero, Álvaro L.', 3],
    ['Schuchert, Peter', 5],
    ['Watson, Jeanette E.', 2],
    ['Webby, Barry D. & Zhen, Yong Yi', 8],
    ['ÁLVARO L. PEÑA CANTERO', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=71)',
    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);