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', 31],
    ['Dell’Angelo, Bruno & Landau, Bernard M. & Sosso, Maurizio', 33],
    ['Dell’Angelo, Bruno & Schwabe, Enrico & Gori, Sandro', 20],
    ['Reyes-Gómez, Adriana & Flores-Garza, Rafael', 12],
    ['Reyes-Gómez, Adriana & Vargas-Ponce, Ofelia', 42],
    ['Schwabe, Enrico', 37],
    ['Schwabe, Enrico & Försterra, Günter & Häussermann, Verena', 16],
    ['Schwabe, Enrico & Sirenko, Boris I. & Seeto, Johnson', 29],
    ['Sigwart, Julia D. & Sirenko, Boris I.', 25],
    ['Sirenko, Boris', 96],
    ['Sirenko, Boris I.', 21],
    ['Sirenko, Boris I. & Saito, Hiroshi', 21],
    ['Sirenko, Boris I. & Zhang, Junlong', 44],
    ['Wilma M. Blom', 14],
    ['Other (35)', 120]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=580)',
    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);