function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ermilov, Sergey G. & Hugo-Coetzee, Elizabeth A.', 2],
    ['ErmilovK, Sergey G. & KontschánK, Jenő', 1],
    ['Fernandez, Nestor & Cleva, Régis', 2],
    ['Gomez-PamiesK, Diego Fernando & MartinezK, Pablo Antonio', 1],
    ['Kun, Marcelo E. & Martínez, Pablo A. & Gonzalez, Alda', 2],
    ['Manzo, Rosa M. & Rizzuto, Susana & Martínez, Pablo A.', 1],
    ['Migliorini, Massimo', 2],
    ['Norton, Roy A. & Ermilov, Sergey G.', 3],
    ['Oliveira, Anibal R. & Argolo, Poliane S. & De, Gilberto J.', 9],
    ['Revelo-Tobar, Harol', 1],
    ['Ryabinin, Nikolay A. & Liu, Dong & Gao, Meixiang & Wu, Dong-Hui', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);