function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albano, Paolo G. & Pizzini, Mauro', 4],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 2],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 2],
    ['De Lima, Silvio Felipe B. & Santos, Franklin N.', 2],
    ['Egger, Christina & Neusser, Timea P. & Norenburg, Jon', 18],
    ['Galvez H., O. & Huidobro M., C.', 1],
    ['Leal, José H.', 1],
    ['Lima, Silvio Felipe Barbosa & Christoffersen, Martin Lindsey', 2],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 2],
    ['Raines, Bret', 5],
    ['Raines, Bret K.', 37],
    ['Sibaja-Cordero, Jeffrey A. & García-Méndez, Kimberky', 1],
    ['Tasso, Vicente & El Haddad, Mustapha & Assadi, Carolina', 1],
    ['Vannozzi, Angelo', 15],
    ['Vannozzi, Angelo & Pizzini, Mauro & Raines, Bret', 24]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=117)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);