function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['González, Christian R. & Elgueta, Mario & Krolow, Tiago K.', 5],
    ['González, Christian R. & Flores, Paola', 1],
    ['Gualdrón-Díaz, Juliette Cristina & Gorayeb, Inocêncio De Sousa', 2],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 2],
    ['Nobis, Marcin & Klichowska, Ewelina & Wolanin, Mateusz', 2],
    ['O’Hara, James E. & Cerretti, Pierfilippo & Pape, Thomas', 1],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 1],
    ['Veroy, Katerin & Orozco, Jesus & Henriques, Augusto L.', 1],
    ['Wolff, Marta & Miranda-Esquivel, Daniel Rafael', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);