function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cadena-Castañeda, Oscar J. & Páez, Geraldine & Buitrago, Oscar', 9],
    ['Cadena-Castañeda, Oscar J. & Quintana-Arias, Ronald Fernando', 6],
    ['Carvalho, Pedro Henrique Mendes & Castro-Souza, Rodrigo Antônio', 5],
    ['Carvalho, Pedro Henrique Mendes & Junta, Vitor Gabriel Pereira', 5],
    ['Desutter-Grandcolas, Laure', 32],
    ['Desutter-Grandcolas, Laure & Faberon, Léo', 14],
    ['Heads, Sam W.', 8],
    ['Hollier, John & Bruckner, Harald & Heads, Sam W.', 9],
    ['Hugel, Sylvain & Warren, Ben H. & Desutter-Grandcolas, Laure', 25],
    ['Junta, Vitor Gabriel Pereira & Castro-Souza, Rodrigo Antônio', 3],
    ['Meena, Ashok Kumar & Swaminathan, Rajamani & Nagar, Rajendra', 4],
    ['Merlo, Rayanne Lays Sant’Ana & Castro-Souza, Rodrigo Antônio', 6],
    ['Souza-Dias, Pedro G. B. & Desutter-Grandcolas, Laure', 4],
    ['Timm, Vítor Falchi & Martins, Luciano De Pinho', 6],
    ['Zefa, Edison & Martins, Luciano De Pinho', 20],
    ['Other (18)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=190)',
    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);