function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cai, Bo & Bu, Wenjun', 4],
    ['Cai, Bo & Ye, Zhen & Bu, Wenjun', 2],
    ['Castro-Huertas, Valentina & Minghetti, Eugenia', 1],
    ['Dellapé, Pablo Matías & Carpintero, Diego Leonardo', 1],
    ['El-Hawagry, Magdi S. & Sharaf, Mostafa R. & Al Dhafer, Hathal M.', 1],
    ['GIERLASIŃSKI, Grzegorz & TASZAKOWSKI, Artur & LIS, Barbara', 8],
    ['Ghahari, Hassan & Moulet, Pierre', 15],
    ['Henry, Thomas J. & Dellapé, Pablo M.', 5],
    ['Ishikawa, Tadashi & Saito, Masayuki U. & Kishimoto-Yamada, Keiko', 4],
    ['Krüger, Andreas & Deckert, Jürgen', 4],
    ['Linnavuori, Rauno E.', 10],
    ['Matocq, Armand & Azar, Dany', 3],
    ['Samin, Najmeh & E, Rauno', 3],
    ['TASZAKOWSK, Artur & PASIŃSKA, Agnieszka', 6],
    ['Taszakowski, Artur', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=78)',
    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);