function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araya, Juan Francisco & Araya, Marta Esther', 19],
    ['Dell’Angelo, Bruno & Gori, Sandro & Baschieri, Leonardo', 25],
    ['Dell’Angelo, Bruno & Landau, Bernard M. & Sosso, Maurizio', 29],
    ['Dell’Angelo, Bruno & Schwabe, Enrico & Gori, Sandro', 16],
    ['Reyes-Gomez, Adriana & Ortigosa, Deneb & Simoes, Nuno', 9],
    ['Reyes-Gómez, Adriana & Flores-Garza, Rafael', 12],
    ['Reyes-Gómez, Adriana & Vargas-Ponce, Ofelia', 41],
    ['Rosenfeld, Sebastian & Aldea, Cristian & Mansilla, Andres', 9],
    ['Schwabe, Enrico', 16],
    ['Schwabe, Enrico & Försterra, Günter & Häussermann, Verena', 14],
    ['Schwabe, Enrico & Lozouet, Pierre', 7],
    ['Schwabe, Enrico & Sirenko, Boris I. & Seeto, Johnson', 24],
    ['Sirenko, Boris', 30],
    ['Sirenko, Boris I. & Saito, Hiroshi', 17],
    ['Sirenko, Boris I. & Zhang, Junlong', 43],
    ['Other (23)', 70]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=381)',
    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);