function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dorchin, Netta & Joy, Jeffrey B. & Hilke, Lukas K.', 7],
    ['Dorchin, Netta & Mifsud, David & Askew, Richard', 2],
    ['Kolesik, Peter & Gagné, Raymond J.', 11],
    ['Maia, Valéria Cid', 19],
    ['Maia, Valéria Cid & Fernandes, G. Wilson', 1],
    ['Maia, Valéria Cid & Mendonça, Milton de Souza', 2],
    ['Maia, Valéria Cid & Oliveira, Lázaro Araújo', 3],
    ['Maia, Valéria Cid & Silveira, Fernando A. O.', 1],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 2],
    ['Urso-Guimarães, Maria Virginia', 2],
    ['Vasanthakumar, Duraikannu & Palanisamy, Senthilkumar', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);